diff --git a/dotnet/test/common/WebDriver.Common.Tests.csproj b/dotnet/test/common/WebDriver.Common.Tests.csproj
index 60f81c5351152..95dfbb48641e2 100644
--- a/dotnet/test/common/WebDriver.Common.Tests.csproj
+++ b/dotnet/test/common/WebDriver.Common.Tests.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="BenderProxy" Version="1.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="Moq" Version="4.13.0" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="Runfiles" Version="0.12.0" />
diff --git a/dotnet/test/support/WebDriver.Support.Tests.csproj b/dotnet/test/support/WebDriver.Support.Tests.csproj
index f44ce5f28e756..e20624eb3b1f7 100644
--- a/dotnet/test/support/WebDriver.Support.Tests.csproj
+++ b/dotnet/test/support/WebDriver.Support.Tests.csproj
@@ -22,7 +22,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
-    <PackageReference Include="Moq" Version="4.13.0" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>