diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 000000000..5ecd053a9
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,15 @@
+
+name: Build Pull Requests
+
+on: [pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Runs docker build with JSII superchain
+      run: docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain /bin/bash -c "scripts/build.sh"
+      
diff --git a/csharp/random-writer/src/RandomWriter/RandomWriter.csproj b/csharp/random-writer/src/RandomWriter/RandomWriter.csproj
index 975e31751..1a3dbe32e 100644
--- a/csharp/random-writer/src/RandomWriter/RandomWriter.csproj
+++ b/csharp/random-writer/src/RandomWriter/RandomWriter.csproj
@@ -6,12 +6,12 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.CDK" Version="1.15.0-devpreview" />
-    <PackageReference Include="Amazon.CDK.AWS.DynamoDb" Version="1.15.0-devpreview" />
-    <PackageReference Include="Amazon.CDK.AWS.Events" Version="1.15.0-devpreview" />
-    <PackageReference Include="Amazon.CDK.AWS.Events.Targets" Version="1.15.0-devpreview" />
-    <PackageReference Include="Amazon.CDK.AWS.Lambda" Version="1.15.0-devpreview" />
+    <PackageReference Include="Amazon.CDK" Version="*" />
+    <PackageReference Include="Amazon.CDK.AWS.DynamoDb" Version="*" />
+    <PackageReference Include="Amazon.CDK.AWS.Events" Version="*" />
+    <PackageReference Include="Amazon.CDK.AWS.Events.Targets" Version="*" />
+    <PackageReference Include="Amazon.CDK.AWS.Lambda" Version="*" />
 
-    <PackageReference Include="Amazon.JSII.Analyzers" Version="0.20.1" />
+    <PackageReference Include="Amazon.JSII.Analyzers" Version="*" />
   </ItemGroup>
 </Project>
diff --git a/scripts/build-csharp.sh b/scripts/build-csharp.sh
old mode 100644
new mode 100755