diff --git a/src/Polly.Specs/Polly.Specs.csproj b/src/Polly.Specs/Polly.Specs.csproj
index 04a83c8fecc..434490ee200 100644
--- a/src/Polly.Specs/Polly.Specs.csproj
+++ b/src/Polly.Specs/Polly.Specs.csproj
@@ -14,7 +14,7 @@
     <PackageReference Include="coverlet.msbuild" Version="3.1.2"  PrivateAssets="all" />
     <PackageReference Include="FluentAssertions" Version="6.5.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
-    <PackageReference Include="Moq" Version="4.16.1" />
+    <PackageReference Include="Moq" Version="4.18.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" PrivateAssets="all" />
   </ItemGroup>