diff --git a/CHANGELOG.md b/CHANGELOG.md
index 668e57b2..b1c75f3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.8.9 (28 May 2025)
+- [#1303](https://github.com/wiremock/WireMock.Net/pull/1303) - Add option to provide X509Certificate [feature] contributed by [StefH](https://github.com/StefH)
+- [#1302](https://github.com/wiremock/WireMock.Net/issues/1302) - Support In-Memory SSL Certificate [feature]
+
 # 1.8.8 (24 May 2025)
 - [#1300](https://github.com/wiremock/WireMock.Net/pull/1300) - Create WireMock.Net.MimePart project [feature] contributed by [StefH](https://github.com/StefH)
 
diff --git a/Directory.Build.props b/Directory.Build.props
index 0acec57c..c3059549 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -4,7 +4,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <VersionPrefix>1.8.8</VersionPrefix>
+        <VersionPrefix>1.8.9</VersionPrefix>
         <PackageIcon>WireMock.Net-Logo.png</PackageIcon>
         <PackageProjectUrl>https://github.com/wiremock/WireMock.Net</PackageProjectUrl>
         <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
diff --git a/Generate-ReleaseNotes.cmd b/Generate-ReleaseNotes.cmd
index 82e6ee4c..7e9c6a4c 100644
--- a/Generate-ReleaseNotes.cmd
+++ b/Generate-ReleaseNotes.cmd
@@ -1,6 +1,6 @@
 rem https://github.com/StefH/GitHubReleaseNotes
 
-SET version=1.8.8
+SET version=1.8.9
 
 GitHubReleaseNotes --output CHANGELOG.md --skip-empty-releases --exclude-labels wontfix test question invalid doc duplicate example environment --version %version% --token %GH_TOKEN%
 
diff --git a/PackageReleaseNotes.txt b/PackageReleaseNotes.txt
index 3943d6ca..744172b2 100644
--- a/PackageReleaseNotes.txt
+++ b/PackageReleaseNotes.txt
@@ -1,4 +1,5 @@
-# 1.8.8 (24 May 2025)
-- #1300 Create WireMock.Net.MimePart project [feature]
+# 1.8.8 (28 May 2025)
+- #1303 Add option to provide X509Certificate [feature]
+- #1302 Support In-Memory SSL Certificate [feature]
 
 The full release notes can be found here: https://github.com/wiremock/WireMock.Net/blob/master/CHANGELOG.md
\ No newline at end of file