diff --git a/Tests/Opc.Ua.Core.Tests/Opc.Ua.Core.Tests.csproj b/Tests/Opc.Ua.Core.Tests/Opc.Ua.Core.Tests.csproj
index 391c6ceaf0..8af85d2ca0 100644
--- a/Tests/Opc.Ua.Core.Tests/Opc.Ua.Core.Tests.csproj
+++ b/Tests/Opc.Ua.Core.Tests/Opc.Ua.Core.Tests.csproj
@@ -10,7 +10,7 @@
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     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="Moq" Version="4.17.2" />
+    <PackageReference Include="Moq" Version="4.18.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit.Console" Version="3.15.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.2.1">
diff --git a/Tests/Opc.Ua.PubSub.Tests/Opc.Ua.PubSub.Tests.csproj b/Tests/Opc.Ua.PubSub.Tests/Opc.Ua.PubSub.Tests.csproj
index a685f3e334..57fd351f54 100644
--- a/Tests/Opc.Ua.PubSub.Tests/Opc.Ua.PubSub.Tests.csproj
+++ b/Tests/Opc.Ua.PubSub.Tests/Opc.Ua.PubSub.Tests.csproj
@@ -16,7 +16,7 @@
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     <PackageReference Include="NunitXml.TestLogger" Version="3.0.107" />
-    <PackageReference Include="Moq" Version="4.17.2" />
+    <PackageReference Include="Moq" Version="4.18.0" />
     <PackageReference Include="coverlet.collector" Version="3.1.2">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>