diff --git a/Directory.Build.props b/Directory.Build.props
index 5438effc..1efbb2df 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,7 +4,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <VersionPrefix>1.0.7</VersionPrefix>
+    <VersionPrefix>1.0.8</VersionPrefix>
   </PropertyGroup>
 
   <Choose>
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index ac816e65..7a56d892 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -24,7 +24,7 @@ steps:
 # - https://github.com/Microsoft/vsts-tasks/issues/8291
 #
 - script: |
-    %USERPROFILE%\.dotnet\tools\dotnet-sonarscanner begin /k:"wiremock" /d:sonar.organization="stefh-github" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.login="$(SONAR_TOKEN)" /v:"$(buildId)" /d:sonar.cs.opencover.reportsPaths="**\coverage.opencover.xml"
+    %USERPROFILE%\.dotnet\tools\dotnet-sonarscanner begin /k:"wiremock" /o:"stefh-github" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.login="$(SONAR_TOKEN)" /v:"$(buildId)" /d:sonar.cs.opencover.reportsPaths="**\coverage.opencover.xml"
   displayName: Begin SonarScanner
 
 # Build source, tests and run tests for net452 and netcoreapp2.1 (with coverage)
diff --git a/src/WireMock.Net/Admin/Mappings/ParamModel.cs b/src/WireMock.Net/Admin/Mappings/ParamModel.cs
index 8b4ca0b1..90d263a5 100644
--- a/src/WireMock.Net/Admin/Mappings/ParamModel.cs
+++ b/src/WireMock.Net/Admin/Mappings/ParamModel.cs
@@ -10,6 +10,11 @@
         /// </summary>
         public string Name { get; set; }
 
+        /// <summary>
+        /// Defines if the key should be matched using case-ignore.
+        /// </summary>
+        public bool? IgnoreCase { get; set; }
+
         /// <summary>
         /// Gets or sets the matchers.
         /// </summary>
diff --git a/src/WireMock.Net/Matchers/Request/RequestMessageParamMatcher.cs b/src/WireMock.Net/Matchers/Request/RequestMessageParamMatcher.cs
index 47b4fe74..e74e9303 100644
--- a/src/WireMock.Net/Matchers/Request/RequestMessageParamMatcher.cs
+++ b/src/WireMock.Net/Matchers/Request/RequestMessageParamMatcher.cs
@@ -24,6 +24,11 @@ namespace WireMock.Matchers.Request
         /// </summary>
         public string Key { get; }
 
+        /// <summary>
+        /// Defines if the key should be matched using case-ignore.
+        /// </summary>
+        public bool? IgnoreCase { get; private set; }
+
         /// <summary>
         /// The matchers.
         /// </summary>
@@ -34,7 +39,8 @@ namespace WireMock.Matchers.Request
         /// </summary>
         /// <param name="matchBehaviour">The match behaviour.</param>
         /// <param name="key">The key.</param>
-        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key) : this(matchBehaviour, key, (IStringMatcher[])null)
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key, bool ignoreCase) : this(matchBehaviour, key, ignoreCase, (IStringMatcher[])null)
         {
         }
 
@@ -43,8 +49,9 @@ namespace WireMock.Matchers.Request
         /// </summary>
         /// <param name="matchBehaviour">The match behaviour.</param>
         /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
         /// <param name="values">The values.</param>
-        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key, [CanBeNull] string[] values) : this(matchBehaviour, key, values?.Select(value => new ExactMatcher(matchBehaviour, value)).Cast<IStringMatcher>().ToArray())
+        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key, bool ignoreCase, [CanBeNull] string[] values) : this(matchBehaviour, key, ignoreCase, values?.Select(value => new ExactMatcher(matchBehaviour, value)).Cast<IStringMatcher>().ToArray())
         {
         }
 
@@ -53,13 +60,15 @@ namespace WireMock.Matchers.Request
         /// </summary>
         /// <param name="matchBehaviour">The match behaviour.</param>
         /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
         /// <param name="matchers">The matchers.</param>
-        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key, [CanBeNull] IStringMatcher[] matchers)
+        public RequestMessageParamMatcher(MatchBehaviour matchBehaviour, [NotNull] string key, bool ignoreCase, [CanBeNull] IStringMatcher[] matchers)
         {
             Check.NotNull(key, nameof(key));
 
             _matchBehaviour = matchBehaviour;
             Key = key;
+            IgnoreCase = ignoreCase;
             Matchers = matchers;
         }
 
@@ -88,7 +97,7 @@ namespace WireMock.Matchers.Request
                 return MatchScores.ToScore(requestMessage.Query != null && Funcs.Any(f => f(requestMessage.Query)));
             }
 
-            WireMockList<string> valuesPresentInRequestMessage = requestMessage.GetParameter(Key);
+            WireMockList<string> valuesPresentInRequestMessage = requestMessage.GetParameter(Key, IgnoreCase ?? false);
             if (valuesPresentInRequestMessage == null)
             {
                 // Key is not present at all, just return Mismatch
diff --git a/src/WireMock.Net/RequestBuilders/IParamsRequestBuilder.cs b/src/WireMock.Net/RequestBuilders/IParamsRequestBuilder.cs
index ddb21610..06bb0a3b 100644
--- a/src/WireMock.Net/RequestBuilders/IParamsRequestBuilder.cs
+++ b/src/WireMock.Net/RequestBuilders/IParamsRequestBuilder.cs
@@ -1,6 +1,6 @@
-using System;
+using JetBrains.Annotations;
+using System;
 using System.Collections.Generic;
-using JetBrains.Annotations;
 using WireMock.Matchers;
 using WireMock.Util;
 
@@ -19,6 +19,15 @@ namespace WireMock.RequestBuilders
         /// <returns>The <see cref="IRequestBuilder"/>.</returns>
         IRequestBuilder WithParam([NotNull] string key, MatchBehaviour matchBehaviour = MatchBehaviour.AcceptOnMatch);
 
+        /// <summary>
+        /// WithParam: matching on key only.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        /// <param name="matchBehaviour">The match behaviour (optional).</param>
+        /// <returns>The <see cref="IRequestBuilder"/>.</returns>
+        IRequestBuilder WithParam([NotNull] string key, bool ignoreCase, MatchBehaviour matchBehaviour = MatchBehaviour.AcceptOnMatch);
+
         /// <summary>
         /// WithParam: matching on key and values.
         /// </summary>
@@ -27,6 +36,15 @@ namespace WireMock.RequestBuilders
         /// <returns>The <see cref="IRequestBuilder"/>.</returns>
         IRequestBuilder WithParam([NotNull] string key, [CanBeNull] params string[] values);
 
+        /// <summary>
+        /// WithParam: matching on key and values.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        /// <param name="values">The values.</param>
+        /// <returns>The <see cref="IRequestBuilder"/>.</returns>
+        IRequestBuilder WithParam([NotNull] string key, bool ignoreCase, [CanBeNull] params string[] values);
+
         /// <summary>
         /// WithParam: matching on key and matchers.
         /// </summary>
@@ -35,6 +53,15 @@ namespace WireMock.RequestBuilders
         /// <returns>The <see cref="IRequestBuilder"/>.</returns>
         IRequestBuilder WithParam([NotNull] string key, [CanBeNull] params IStringMatcher[] matchers);
 
+        /// <summary>
+        /// WithParam: matching on key and matchers.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        /// <param name="matchers">The matchers.</param>
+        /// <returns>The <see cref="IRequestBuilder"/>.</returns>
+        IRequestBuilder WithParam([NotNull] string key, bool ignoreCase, [CanBeNull] params IStringMatcher[] matchers);
+
         /// <summary>
         /// WithParam: matching on key, values and matchBehaviour.
         /// </summary>
@@ -44,6 +71,16 @@ namespace WireMock.RequestBuilders
         /// <returns>The <see cref="IRequestBuilder"/>.</returns>
         IRequestBuilder WithParam([NotNull] string key, MatchBehaviour matchBehaviour, [CanBeNull] params string[] values);
 
+        /// <summary>
+        /// WithParam: matching on key, values and matchBehaviour.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        /// <param name="values">The values.</param>
+        /// <param name="matchBehaviour">The match behaviour.</param>
+        /// <returns>The <see cref="IRequestBuilder"/>.</returns>
+        IRequestBuilder WithParam([NotNull] string key, MatchBehaviour matchBehaviour, bool ignoreCase = false, [CanBeNull] params string[] values);
+
         /// <summary>
         /// WithParam: matching on key, matchers and matchBehaviour.
         /// </summary>
@@ -53,6 +90,16 @@ namespace WireMock.RequestBuilders
         /// <returns>The <see cref="IRequestBuilder"/>.</returns>
         IRequestBuilder WithParam([NotNull] string key, MatchBehaviour matchBehaviour, [CanBeNull] params IStringMatcher[] matchers);
 
+        /// <summary>
+        /// WithParam: matching on key, matchers and matchBehaviour.
+        /// </summary>
+        /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
+        /// <param name="matchers">The matchers.</param>
+        /// <param name="matchBehaviour">The match behaviour.</param>
+        /// <returns>The <see cref="IRequestBuilder"/>.</returns>
+        IRequestBuilder WithParam([NotNull] string key, MatchBehaviour matchBehaviour, bool ignoreCase = false, [CanBeNull] params IStringMatcher[] matchers);
+
         /// <summary>
         /// WithParam: matching on functions.
         /// </summary>
diff --git a/src/WireMock.Net/RequestBuilders/Request.Params.cs b/src/WireMock.Net/RequestBuilders/Request.Params.cs
new file mode 100644
index 00000000..94dcd6bd
--- /dev/null
+++ b/src/WireMock.Net/RequestBuilders/Request.Params.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using WireMock.Matchers;
+using WireMock.Matchers.Request;
+using WireMock.Util;
+using WireMock.Validation;
+
+namespace WireMock.RequestBuilders
+{
+    public partial class Request
+    {
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour)"/>
+        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour = MatchBehaviour.AcceptOnMatch)
+        {
+            return WithParam(key, false, matchBehaviour);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, bool, MatchBehaviour)"/>
+        public IRequestBuilder WithParam(string key, bool ignoreCase, MatchBehaviour matchBehaviour = MatchBehaviour.AcceptOnMatch)
+        {
+            Check.NotNull(key, nameof(key));
+
+            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key, ignoreCase));
+            return this;
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, string[])"/>
+        public IRequestBuilder WithParam(string key, params string[] values)
+        {
+            return WithParam(key, MatchBehaviour.AcceptOnMatch, false, values);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, bool, string[])"/>
+        public IRequestBuilder WithParam(string key, bool ignoreCase, params string[] values)
+        {
+            return WithParam(key, MatchBehaviour.AcceptOnMatch, ignoreCase, values);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, IStringMatcher[])"/>
+        public IRequestBuilder WithParam(string key, params IStringMatcher[] matchers)
+        {
+            return WithParam(key, MatchBehaviour.AcceptOnMatch, false, matchers);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, bool, IStringMatcher[])"/>
+        public IRequestBuilder WithParam(string key, bool ignoreCase, params IStringMatcher[] matchers)
+        {
+            return WithParam(key, MatchBehaviour.AcceptOnMatch, ignoreCase, matchers);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour, string[])"/>
+        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, params string[] values)
+        {
+            return WithParam(key, matchBehaviour, false, values);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour, bool, string[])"/>
+        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, bool ignoreCase = false, params string[] values)
+        {
+            Check.NotNull(key, nameof(key));
+
+            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key, ignoreCase, values));
+            return this;
+        }
+
+        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, params IStringMatcher[] matchers)
+        {
+            return WithParam(key, matchBehaviour, false, matchers);
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour, bool, IStringMatcher[])"/>
+        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, bool ignoreCase, params IStringMatcher[] matchers)
+        {
+            Check.NotNull(key, nameof(key));
+
+            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key, ignoreCase, matchers));
+            return this;
+        }
+
+        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(Func{IDictionary{string, WireMockList{T}}, bool}[])"/>
+        public IRequestBuilder WithParam(params Func<IDictionary<string, WireMockList<string>>, bool>[] funcs)
+        {
+            Check.NotNullOrEmpty(funcs, nameof(funcs));
+
+            _requestMatchers.Add(new RequestMessageParamMatcher(funcs));
+            return this;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/WireMock.Net/RequestBuilders/Request.cs b/src/WireMock.Net/RequestBuilders/Request.cs
index cd32f121..054f8d2d 100644
--- a/src/WireMock.Net/RequestBuilders/Request.cs
+++ b/src/WireMock.Net/RequestBuilders/Request.cs
@@ -12,7 +12,7 @@ namespace WireMock.RequestBuilders
     /// <summary>
     /// The requests.
     /// </summary>
-    public class Request : RequestMessageCompositeMatcher, IRequestBuilder
+    public partial class Request : RequestMessageCompositeMatcher, IRequestBuilder
     {
         private readonly IList<IRequestMatcher> _requestMatchers;
 
@@ -291,54 +291,6 @@ namespace WireMock.RequestBuilders
             return this;
         }
 
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour)"/>
-        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour = MatchBehaviour.AcceptOnMatch)
-        {
-            Check.NotNull(key, nameof(key));
-
-            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key));
-            return this;
-        }
-
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, string[])"/>
-        public IRequestBuilder WithParam(string key, params string[] values)
-        {
-            return WithParam(key, MatchBehaviour.AcceptOnMatch, values);
-        }
-
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, IStringMatcher[])"/>
-        public IRequestBuilder WithParam(string key, params IStringMatcher[] matchers)
-        {
-            return WithParam(key, MatchBehaviour.AcceptOnMatch, matchers);
-        }
-
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour, string[])"/>
-        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, params string[] values)
-        {
-            Check.NotNull(key, nameof(key));
-
-            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key, values));
-            return this;
-        }
-
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(string, MatchBehaviour, IStringMatcher[])"/>
-        public IRequestBuilder WithParam(string key, MatchBehaviour matchBehaviour, params IStringMatcher[] matchers)
-        {
-            Check.NotNull(key, nameof(key));
-
-            _requestMatchers.Add(new RequestMessageParamMatcher(matchBehaviour, key, matchers));
-            return this;
-        }
-
-        /// <inheritdoc cref="IParamsRequestBuilder.WithParam(Func{IDictionary{string, WireMockList{string}}, bool}[])"/>
-        public IRequestBuilder WithParam(params Func<IDictionary<string, WireMockList<string>>, bool>[] funcs)
-        {
-            Check.NotNullOrEmpty(funcs, nameof(funcs));
-
-            _requestMatchers.Add(new RequestMessageParamMatcher(funcs));
-            return this;
-        }
-
         /// <inheritdoc cref="IHeadersAndCookiesRequestBuilder.WithHeader(string, string, MatchBehaviour)"/>
         public IRequestBuilder WithHeader(string name, string pattern, MatchBehaviour matchBehaviour)
         {
diff --git a/src/WireMock.Net/RequestMessage.cs b/src/WireMock.Net/RequestMessage.cs
index 5a7262fe..46583b43 100644
--- a/src/WireMock.Net/RequestMessage.cs
+++ b/src/WireMock.Net/RequestMessage.cs
@@ -1,8 +1,8 @@
-using System;
+using JetBrains.Annotations;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
-using JetBrains.Annotations;
 using WireMock.Models;
 using WireMock.Util;
 using WireMock.Validation;
@@ -211,15 +211,18 @@ namespace WireMock
         /// Get a query parameter.
         /// </summary>
         /// <param name="key">The key.</param>
+        /// <param name="ignoreCase">Defines if the key should be matched using case-ignore.</param>
         /// <returns>The query parameter.</returns>
-        public WireMockList<string> GetParameter(string key)
+        public WireMockList<string> GetParameter(string key, bool ignoreCase = false)
         {
             if (Query == null)
             {
                 return null;
             }
 
-            return Query.ContainsKey(key) ? Query[key] : null;
+            var query = !ignoreCase ? Query : new Dictionary<string, WireMockList<string>>(Query, StringComparer.OrdinalIgnoreCase);
+
+            return query.ContainsKey(key) ? query[key] : null;
         }
     }
 }
\ No newline at end of file
diff --git a/src/WireMock.Net/Serialization/MappingConverter.cs b/src/WireMock.Net/Serialization/MappingConverter.cs
index 46b5af01..0ad9f9ec 100644
--- a/src/WireMock.Net/Serialization/MappingConverter.cs
+++ b/src/WireMock.Net/Serialization/MappingConverter.cs
@@ -66,6 +66,7 @@ namespace WireMock.Serialization
                     Params = paramsMatchers != null && paramsMatchers.Any() ? paramsMatchers.Select(pm => new ParamModel
                     {
                         Name = pm.Key,
+                        IgnoreCase = pm.IgnoreCase,
                         Matchers = MatcherMapper.Map(pm.Matchers)
                     }).ToList() : null,
 
diff --git a/src/WireMock.Net/Server/FluentMockServer.Admin.cs b/src/WireMock.Net/Server/FluentMockServer.Admin.cs
index e7a8011d..84fa0057 100644
--- a/src/WireMock.Net/Server/FluentMockServer.Admin.cs
+++ b/src/WireMock.Net/Server/FluentMockServer.Admin.cs
@@ -265,7 +265,7 @@ namespace WireMock.Server
             request.WithPath(requestMessage.Path);
             request.UsingMethod(requestMessage.Method);
 
-            requestMessage.Query.Loop((key, value) => request.WithParam(key, value.ToArray()));
+            requestMessage.Query.Loop((key, value) => request.WithParam(key, false, value.ToArray()));
             requestMessage.Cookies.Loop((key, value) => request.WithCookie(key, value));
 
             var allBlackListedHeaders = new List<string>(blacklistedHeaders) { "Cookie" };
@@ -685,7 +685,8 @@ namespace WireMock.Server
             {
                 foreach (var paramModel in requestModel.Params.Where(c => c.Matchers != null))
                 {
-                    requestBuilder = requestBuilder.WithParam(paramModel.Name, paramModel.Matchers.Select(MatcherMapper.Map).Cast<IStringMatcher>().ToArray());
+                    bool ignoreCase = paramModel?.IgnoreCase ?? false;
+                    requestBuilder = requestBuilder.WithParam(paramModel.Name, ignoreCase, paramModel.Matchers.Select(MatcherMapper.Map).Cast<IStringMatcher>().ToArray());
                 }
             }
 
diff --git a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageParamMatcherTests.cs b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageParamMatcherTests.cs
index 78585e4c..4e73db18 100644
--- a/test/WireMock.Net.Tests/RequestMatchers/RequestMessageParamMatcherTests.cs
+++ b/test/WireMock.Net.Tests/RequestMatchers/RequestMessageParamMatcherTests.cs
@@ -8,12 +8,27 @@ namespace WireMock.Net.Tests.RequestMatchers
 {
     public class RequestMessageParamMatcherTests
     {
+        [Fact]
+        public void RequestMessageParamMatcher_GetMatchingScore_IgnoreCaseKeyWithValuesPresentInUrl_MatchExactOnStringValues()
+        {
+            // Assign
+            var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key=test1"), "GET", "127.0.0.1");
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "KeY", true, new[] { "test1" });
+
+            // Act
+            var result = new RequestMatchResult();
+            double score = matcher.GetMatchingScore(requestMessage, result);
+
+            // Assert
+            Check.That(score).IsEqualTo(1.0d);
+        }
+
         [Fact]
         public void RequestMessageParamMatcher_GetMatchingScore_KeyWithValuesPresentInUrl_MatchExactOnStringValues()
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key=test1,test2"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", new[] { "test1", "test2" });
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false, new[] { "test1", "test2" });
 
             // Act
             var result = new RequestMatchResult();
@@ -28,7 +43,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key=test1,test2"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", new IStringMatcher[] { new ExactMatcher("test1"), new ExactMatcher("test2") });
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false, new IStringMatcher[] { new ExactMatcher("test1"), new ExactMatcher("test2") });
 
             // Act
             var result = new RequestMatchResult();
@@ -43,7 +58,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key=test0,test2"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", new[] { "test1", "test2" });
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false, new[] { "test1", "test2" });
 
             // Act
             var result = new RequestMatchResult();
@@ -58,7 +73,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", new[] { "test1", "test2" });
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false, new[] { "test1", "test2" });
 
             // Act
             var result = new RequestMatchResult();
@@ -73,7 +88,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key");
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false);
 
             // Act
             var result = new RequestMatchResult();
@@ -88,7 +103,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", new string[] { });
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false, new string[] { });
 
             // Act
             var result = new RequestMatchResult();
@@ -103,7 +118,7 @@ namespace WireMock.Net.Tests.RequestMatchers
         {
             // Assign
             var requestMessage = new RequestMessage(new UrlDetails("http://localhost?key=frank@contoso.com"), "GET", "127.0.0.1");
-            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key");
+            var matcher = new RequestMessageParamMatcher(MatchBehaviour.AcceptOnMatch, "key", false);
 
             // Act
             var result = new RequestMatchResult();
diff --git a/test/WireMock.Net.Tests/RequestMessageTests.cs b/test/WireMock.Net.Tests/RequestMessageTests.cs
index 8d04bece..f4828818 100644
--- a/test/WireMock.Net.Tests/RequestMessageTests.cs
+++ b/test/WireMock.Net.Tests/RequestMessageTests.cs
@@ -39,6 +39,16 @@ namespace WireMock.Net.Tests
             Check.That(request.GetParameter("foo")).ContainsExactly("bar");
         }
 
+        [Fact]
+        public void RequestMessage_ParseQuery_SingleKey_SingleValue_WithIgnoreCase()
+        {
+            // Assign
+            var request = new RequestMessage(new UrlDetails("http://localhost?foo=bar"), "POST", ClientIp);
+
+            // Assert
+            Check.That(request.GetParameter("FoO", true)).ContainsExactly("bar");
+        }
+
         [Fact]
         public void RequestMessage_ParseQuery_MultipleKeys_MultipleValues()
         {