diff --git a/tests/CCEW.Mcp.ContractTests/CCEW.Mcp.ContractTests.csproj b/tests/CCEW.Mcp.ContractTests/CCEW.Mcp.ContractTests.csproj
index 86ae63e..2550fcd 100644
--- a/tests/CCEW.Mcp.ContractTests/CCEW.Mcp.ContractTests.csproj
+++ b/tests/CCEW.Mcp.ContractTests/CCEW.Mcp.ContractTests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
-    <PackageReference Include="WireMock.Net" Version="1.6.10" />
+    <PackageReference Include="WireMock.Net" Version="1.13.0" />
     <!-- Override vulnerable transitive dependency (GHSA-4cv2-4hjh-77rx) -->
     <PackageReference Include="System.Linq.Dynamic.Core" Version="1.6.8" />
   </ItemGroup>