diff --git a/images/actions/c#/Dockerfile b/images/actions/c#/Dockerfile
new file mode 100644
index 0000000..024f6cc
--- /dev/null
+++ b/images/actions/c#/Dockerfile
@@ -0,0 +1,4 @@
+FROM git.euph.dev/actions/runner-basic:latest
+ARG PACKAGE_VERSION
+
+RUN sudo apk add --no-cache "dotnet$PACKAGE_VERSION-sdk" mono
\ No newline at end of file