diff --git a/src/OpenIdConnectServerMock.csproj b/src/OpenIdConnectServerMock.csproj
index 70b4b9b..8e69dbf 100644
--- a/src/OpenIdConnectServerMock.csproj
+++ b/src/OpenIdConnectServerMock.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="10.0.7" />
     <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="10.0.7" />
     <PackageReference Include="Serilog.AspNetCore" Version="10.0.0" />
-    <PackageReference Include="YamlDotNet" Version="17.0.1" />
+    <PackageReference Include="YamlDotNet" Version="18.0.0" />
   </ItemGroup>
 
 </Project>