diff --git a/Directory.Packages.props b/Directory.Packages.props
index 479d5f41..e5b1d871 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -288,7 +288,7 @@
 	</ItemGroup>
 	<!-- Serialize MemoryPack -->
 	<ItemGroup>
-		<PackageVersion Include="MemoryPack" Version="1.21.3" />
+		<PackageVersion Include="MemoryPack" Version="1.21.4" />
 	</ItemGroup>
 	<!-- Serialize NJson -->
 	<ItemGroup>