diff --git a/NGitLab.Mock/NGitLab.Mock.csproj b/NGitLab.Mock/NGitLab.Mock.csproj
index a47732f3..d44f59d7 100644
--- a/NGitLab.Mock/NGitLab.Mock.csproj
+++ b/NGitLab.Mock/NGitLab.Mock.csproj
@@ -13,7 +13,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="YamlDotNet" Version="13.3.1" />
+    <PackageReference Include="YamlDotNet" Version="13.4.0" />
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework) == 'net472'">