diff --git a/github-dev/Dockerfile b/github-dev/Dockerfile
index 092d105..6c81df0 100644
--- a/github-dev/Dockerfile
+++ b/github-dev/Dockerfile
@@ -20,3 +20,4 @@ RUN go get golang.org/x/crypto/ssh/terminal
 COPY upload-assets /usr/bin/upload-assets
 COPY release-email-notification /usr/bin/release-email-notification
 COPY gcloud-login /usr/bin/gcloud-login
+COPY cleanup-pr-branch /usr/bin/cleanup-pr-branch