diff --git a/src/Snitch.Tests.Fixtures/Foo/Foo.csproj b/src/Snitch.Tests.Fixtures/Foo/Foo.csproj
index 9f44f8c..aec0c9d 100644
--- a/src/Snitch.Tests.Fixtures/Foo/Foo.csproj
+++ b/src/Snitch.Tests.Fixtures/Foo/Foo.csproj
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageReference Include="Autofac" Version="4.9.4" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Snitch.Tests.Fixtures/Zap/Zap.csproj b/src/Snitch.Tests.Fixtures/Zap/Zap.csproj
index dfe7711..f7c7dcf 100644
--- a/src/Snitch.Tests.Fixtures/Zap/Zap.csproj
+++ b/src/Snitch.Tests.Fixtures/Zap/Zap.csproj
@@ -9,7 +9,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="Autofac" Version="4.9.3" />
   </ItemGroup>