diff --git a/src/HelloContainers.Tests/HelloContainers.Tests.csproj b/src/HelloContainers.Tests/HelloContainers.Tests.csproj
index 865a090..022fbea 100644
--- a/src/HelloContainers.Tests/HelloContainers.Tests.csproj
+++ b/src/HelloContainers.Tests/HelloContainers.Tests.csproj
@@ -7,7 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="nunit" Version="4.5.0" />
+        <PackageReference Include="nunit" Version="4.5.1" />
         <PackageReference Include="NUnit3TestAdapter" Version="6.1.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     </ItemGroup>
diff --git a/src/HelloContainers.Tests/packages.lock.json b/src/HelloContainers.Tests/packages.lock.json
index 24d5ff1..f2a8fae 100644
--- a/src/HelloContainers.Tests/packages.lock.json
+++ b/src/HelloContainers.Tests/packages.lock.json
@@ -14,9 +14,9 @@
       },
       "NUnit": {
         "type": "Direct",
-        "requested": "[4.5.0, )",
-        "resolved": "4.5.0",
-        "contentHash": "3AXYqXoll1CnWA+fNqMQemJO5qofh2r75bdrPyJqjCRCcZpwuCAgUnHxG1wKEbrGjtobrWWbwVrDhYcXcxRkjw=="
+        "requested": "[4.5.1, )",
+        "resolved": "4.5.1",
+        "contentHash": "x1sIqU9i0IkxqFayqthzmJs/75jTMbrfNMixj4vtfTi7rRzGbtuY27V+iAhfTY02u5k2qvW3QBGM414OG4q8Lw=="
       },
       "NUnit3TestAdapter": {
         "type": "Direct",