diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30a43d8f..406101dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 1.4.0 (12 January 2021)
+- [#548](https://github.com/WireMock-Net/WireMock.Net/pull/548) - Move CSharpCodeMatcher to a new project [feature] contributed by [StefH](https://github.com/StefH)
+
 # 1.3.10 (23 December 2020)
 - [#555](https://github.com/WireMock-Net/WireMock.Net/pull/555) - Add more tests for Proxy with Authorization [feature] contributed by [StefH](https://github.com/StefH)
 - [#561](https://github.com/WireMock-Net/WireMock.Net/pull/561) - Do not save "admin" mappings when running in Proxy - mode contributed by [StefH](https://github.com/StefH)
diff --git a/GitHubReleaseNotes.txt b/GitHubReleaseNotes.txt
index a4d32256..3231b6fa 100644
--- a/GitHubReleaseNotes.txt
+++ b/GitHubReleaseNotes.txt
@@ -1,3 +1,3 @@
 https://github.com/StefH/GitHubReleaseNotes
 
-GitHubReleaseNotes --output CHANGELOG.md --skip-empty-releases --exclude-labels question invalid doc --version 1.3.10
\ No newline at end of file
+GitHubReleaseNotes --output CHANGELOG.md --skip-empty-releases --exclude-labels question invalid doc --version 1.4.0
\ No newline at end of file