diff --git a/CHANGELOG.md b/CHANGELOG.md
index be43261..562eb64 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # CHANGELOG
 
-## Next Release
+## v0.4.0 (2022-06-13)
+
 - Improvements to censoring
   - Ability to define censored elements individually, with per-element case sensitivity
 - Improvements to matching
diff --git a/EasyVCR.nuspec b/EasyVCR.nuspec
index ccdb050..2511340 100644
--- a/EasyVCR.nuspec
+++ b/EasyVCR.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>EasyVCR</id>
         <title>EasyVCR</title>
-        <version>0.3.1</version>
+        <version>0.4.0</version>
         <authors>EasyPost</authors>
         <owners>EasyPost</owners>
         <projectUrl>https://github.com/EasyPost/easyvcr-csharp</projectUrl>
diff --git a/EasyVCR/Properties/VersionInfo.cs b/EasyVCR/Properties/VersionInfo.cs
index df6ac77..408f2d4 100644
--- a/EasyVCR/Properties/VersionInfo.cs
+++ b/EasyVCR/Properties/VersionInfo.cs
@@ -1,6 +1,6 @@
 using System.Reflection;
 
 // Version information for an assembly must follow semantic versioning
-[assembly: AssemblyVersion("0.3.1")]
-[assembly: AssemblyFileVersion("0.3.1")]
-[assembly: AssemblyInformationalVersion("0.3.1")]
+[assembly: AssemblyVersion("0.4.0")]
+[assembly: AssemblyFileVersion("0.4.0")]
+[assembly: AssemblyInformationalVersion("0.4.0")]