diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index aa500ae81..201700a27 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -1,6 +1,6 @@
 FROM quay.io/submariner/shipyard-dapper-base
 
-ENV DAPPER_ENV="REPO TAG QUAY_USERNAME QUAY_PASSWORD TRAVIS_COMMIT CLUSTERS_ARGS DEPLOY_ARGS E2E_ARGS RELEASE_ARGS" \
+ENV DAPPER_ENV="REPO TAG QUAY_USERNAME QUAY_PASSWORD TRAVIS_COMMIT GITHUB_SHA CLUSTERS_ARGS DEPLOY_ARGS E2E_ARGS RELEASE_ARGS" \
     DAPPER_SOURCE=/go/src/github.com/submariner-io/shipyard DAPPER_DOCKER_SOCKET=true
 ENV DAPPER_OUTPUT=${DAPPER_SOURCE}/output