diff --git a/MergerLogicUnitTests/MergerLogicUnitTests.csproj b/MergerLogicUnitTests/MergerLogicUnitTests.csproj
index bafdd798..b38e78c1 100644
--- a/MergerLogicUnitTests/MergerLogicUnitTests.csproj
+++ b/MergerLogicUnitTests/MergerLogicUnitTests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="Moq" Version="4.18.1" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
diff --git a/MergerServiceUnitTests/MergerServiceUnitTests.csproj b/MergerServiceUnitTests/MergerServiceUnitTests.csproj
index 4213e99a..05d588bb 100644
--- a/MergerServiceUnitTests/MergerServiceUnitTests.csproj
+++ b/MergerServiceUnitTests/MergerServiceUnitTests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="Moq" Version="4.18.1" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.10" />
     <PackageReference Include="MSTest.TestFramework" Version="2.2.10" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">