diff --git a/JsonSubTypes.Tests.Net35/JsonSubTypes.Tests.Net35.csproj b/JsonSubTypes.Tests.Net35/JsonSubTypes.Tests.Net35.csproj
index d3a1f16..298fb01 100644
--- a/JsonSubTypes.Tests.Net35/JsonSubTypes.Tests.Net35.csproj
+++ b/JsonSubTypes.Tests.Net35/JsonSubTypes.Tests.Net35.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="NUnit" Version="3.14.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />
     <PackageReference Include="TaskParallelLibrary" Version="1.0.2856.0" />
   </ItemGroup>
   <ItemGroup>
diff --git a/JsonSubTypes.Tests/JsonSubTypes.Tests.csproj b/JsonSubTypes.Tests/JsonSubTypes.Tests.csproj
index 6293382..02aee15 100644
--- a/JsonSubTypes.Tests/JsonSubTypes.Tests.csproj
+++ b/JsonSubTypes.Tests/JsonSubTypes.Tests.csproj
@@ -18,7 +18,7 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
     <PackageReference Include="NUnit" Version="3.14.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)'=='net8.0' Or '$(TargetFramework)'=='net10.0'">
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
diff --git a/JsonSubTypes.Text.Json.Aot.Generator.Tests/JsonSubTypes.Text.Json.Aot.Generator.Tests.csproj b/JsonSubTypes.Text.Json.Aot.Generator.Tests/JsonSubTypes.Text.Json.Aot.Generator.Tests.csproj
index 8208ae8..98b6156 100644
--- a/JsonSubTypes.Text.Json.Aot.Generator.Tests/JsonSubTypes.Text.Json.Aot.Generator.Tests.csproj
+++ b/JsonSubTypes.Text.Json.Aot.Generator.Tests/JsonSubTypes.Text.Json.Aot.Generator.Tests.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="coverlet.collector" Version="10.0.1">
       <PrivateAssets>all</PrivateAssets>
diff --git a/JsonSubTypes.Text.Json.Aot.Tests/JsonSubTypes.Text.Json.Aot.Tests.csproj b/JsonSubTypes.Text.Json.Aot.Tests/JsonSubTypes.Text.Json.Aot.Tests.csproj
index cd8858e..c102a23 100644
--- a/JsonSubTypes.Text.Json.Aot.Tests/JsonSubTypes.Text.Json.Aot.Tests.csproj
+++ b/JsonSubTypes.Text.Json.Aot.Tests/JsonSubTypes.Text.Json.Aot.Tests.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="coverlet.collector" Version="10.0.1">
       <PrivateAssets>all</PrivateAssets>
diff --git a/JsonSubTypes.Text.Json.Tests/JsonSubTypes.Text.Json.Tests.csproj b/JsonSubTypes.Text.Json.Tests/JsonSubTypes.Text.Json.Tests.csproj
index 0dc1b6e..b2b3b46 100644
--- a/JsonSubTypes.Text.Json.Tests/JsonSubTypes.Text.Json.Tests.csproj
+++ b/JsonSubTypes.Text.Json.Tests/JsonSubTypes.Text.Json.Tests.csproj
@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.3.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="coverlet.collector" Version="10.0.1">
       <PrivateAssets>all</PrivateAssets>