diff --git a/CHANGELOG.md b/CHANGELOG.md
index b685f5ec..4d610dae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Mindee .NET Client Library Changelog
 
+## v4.2.1 - 2026-04-28
+### Fixes
+* :bug: fix package symbol errors when publishing CLI NuGet (#400)
+
+
 ## v4.2.0 - 2026-04-22
 ### Changes
 * :sparkles: add nuGet support for CLI
diff --git a/Directory.Build.props b/Directory.Build.props
index 3812aff7..dd642bd5 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>4.2.0</VersionPrefix>
+    <VersionPrefix>4.2.1</VersionPrefix>
     <VersionSuffix></VersionSuffix>
     <Authors>Mindee</Authors>
     <TargetFrameworks>net472;net48;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>