diff --git a/Dockerfile b/Dockerfile
index c5fefc6..e55169c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,4 +11,5 @@ RUN apk add curl git jq pandoc --no-cache --update && rm -rf /var/cache/apk/*
 
 # add the wrapper which acts as a drone plugin
 COPY --from=BUILD /app/plugin.sh /app/plugin.sh
+RUN chmod +x /app/plugin.sh
 ENTRYPOINT [ "/app/plugin.sh" ]