diff --git a/Web/Edubase.DataUnitTests/Edubase.DataUnitTests.csproj b/Web/Edubase.DataUnitTests/Edubase.DataUnitTests.csproj
index 4703be4f7..32cccdbd3 100644
--- a/Web/Edubase.DataUnitTests/Edubase.DataUnitTests.csproj
+++ b/Web/Edubase.DataUnitTests/Edubase.DataUnitTests.csproj
@@ -52,7 +52,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Moq">
-      <Version>4.18.2</Version>
+      <Version>4.20.72</Version>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json">
       <Version>13.0.1</Version>
diff --git a/Web/Edubase.Web.ResourcesUnitTests/Edubase.Web.ResourcesUnitTests.csproj b/Web/Edubase.Web.ResourcesUnitTests/Edubase.Web.ResourcesUnitTests.csproj
index 4ad2fd9f4..27b5854fe 100644
--- a/Web/Edubase.Web.ResourcesUnitTests/Edubase.Web.ResourcesUnitTests.csproj
+++ b/Web/Edubase.Web.ResourcesUnitTests/Edubase.Web.ResourcesUnitTests.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
-    <PackageReference Include="Moq" Version="4.18.2" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
diff --git a/Web/Edubase.Web.UIUnitTests/Edubase.Web.UIUnitTests.csproj b/Web/Edubase.Web.UIUnitTests/Edubase.Web.UIUnitTests.csproj
index d307efd1a..856bc5b57 100644
--- a/Web/Edubase.Web.UIUnitTests/Edubase.Web.UIUnitTests.csproj
+++ b/Web/Edubase.Web.UIUnitTests/Edubase.Web.UIUnitTests.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Faker.Net" Version="2.0.154" />
     <PackageReference Include="Microsoft.AspNet.Mvc" Version="5.2.9" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
-    <PackageReference Include="Moq" Version="4.18.2" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="WindowsAzure.Storage" Version="9.3.3" />
     <PackageReference Include="xunit" Version="2.4.2" />