diff --git a/src/GitReleaseManager.Core.Tests/GitReleaseManager.Core.Tests.csproj b/src/GitReleaseManager.Core.Tests/GitReleaseManager.Core.Tests.csproj
index 9c04e0c4..c12da586 100644
--- a/src/GitReleaseManager.Core.Tests/GitReleaseManager.Core.Tests.csproj
+++ b/src/GitReleaseManager.Core.Tests/GitReleaseManager.Core.Tests.csproj
@@ -24,7 +24,7 @@
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
         <PackageReference Include="NSubstitute" Version="5.1.0" />
-        <PackageReference Include="NUnit" Version="3.14.0" />
+        <PackageReference Include="NUnit" Version="4.1.0" />
         <PackageReference Include="NUnit.Analyzers" Version="4.2.0">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
diff --git a/src/GitReleaseManager.IntegrationTests/GitReleaseManager.IntegrationTests.csproj b/src/GitReleaseManager.IntegrationTests/GitReleaseManager.IntegrationTests.csproj
index 02b3fc05..ffcbca22 100644
--- a/src/GitReleaseManager.IntegrationTests/GitReleaseManager.IntegrationTests.csproj
+++ b/src/GitReleaseManager.IntegrationTests/GitReleaseManager.IntegrationTests.csproj
@@ -21,7 +21,7 @@
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="NUnit" Version="3.14.0" />
+        <PackageReference Include="NUnit" Version="4.1.0" />
         <PackageReference Include="NUnit.Analyzers" Version="4.2.0">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
diff --git a/src/GitReleaseManager.Tests/ConfigurationTests.cs b/src/GitReleaseManager.Tests/ConfigurationTests.cs
index e4112a5c..4ebfc358 100644
--- a/src/GitReleaseManager.Tests/ConfigurationTests.cs
+++ b/src/GitReleaseManager.Tests/ConfigurationTests.cs
@@ -20,13 +20,13 @@ public void Should_Read_Label_Aliases()
                 var config = ConfigSerializer.Read(stringReader);
 
                 // Then
-                Assert.AreEqual(2, config.LabelAliases.Count);
-                Assert.AreEqual("Bug", config.LabelAliases[0].Name);
-                Assert.AreEqual("Foo", config.LabelAliases[0].Header);
-                Assert.AreEqual("Bar", config.LabelAliases[0].Plural);
-                Assert.AreEqual("Improvement", config.LabelAliases[1].Name);
-                Assert.AreEqual("Baz", config.LabelAliases[1].Header);
-                Assert.AreEqual("Qux", config.LabelAliases[1].Plural);
+                Assert.That(2, Is.EqualTo(config.LabelAliases.Count));
+                Assert.That("Bug", Is.EqualTo(config.LabelAliases[0].Name));
+                Assert.That("Foo", Is.EqualTo(config.LabelAliases[0].Header));
+                Assert.That("Bar", Is.EqualTo(config.LabelAliases[0].Plural));
+                Assert.That("Improvement", Is.EqualTo(config.LabelAliases[1].Name));
+                Assert.That("Baz", Is.EqualTo(config.LabelAliases[1].Header));
+                Assert.That("Qux", Is.EqualTo(config.LabelAliases[1].Plural));
             }
         }
 
diff --git a/src/GitReleaseManager.Tests/GitReleaseManager.Tests.csproj b/src/GitReleaseManager.Tests/GitReleaseManager.Tests.csproj
index 50f33177..71d2b2da 100644
--- a/src/GitReleaseManager.Tests/GitReleaseManager.Tests.csproj
+++ b/src/GitReleaseManager.Tests/GitReleaseManager.Tests.csproj
@@ -24,7 +24,7 @@
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
         <PackageReference Include="NSubstitute" Version="5.1.0" />
-        <PackageReference Include="NUnit" Version="3.14.0" />
+        <PackageReference Include="NUnit" Version="4.1.0" />
         <PackageReference Include="NUnit.Analyzers" Version="4.2.0">
           <PrivateAssets>all</PrivateAssets>
           <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>