diff --git a/plugins/github/github-deploy.mk b/plugins/github/github-deploy.mk
index 76fb8a5..2f98a00 100644
--- a/plugins/github/github-deploy.mk
+++ b/plugins/github/github-deploy.mk
@@ -8,6 +8,7 @@
 #   $(call, some-env) <- deploy is the default task
 #   $(call, some-env, some-task)
 AUTO_MERGE=true
+GITHUB_DEPLOY_PAYLOAD="{}"
 1:=
 2:=
 define deploy
@@ -15,5 +16,6 @@ define deploy
 	$(dir $(abspath $(lastword $(filter %.mk, $(MAKEFILE_LIST)))))github-deploy.sh \
 	$(strip $1) \
 	${AUTO_MERGE} \
-	$(strip $(if $2, $2, deploy))
+	$(strip $(if $2, $2, deploy)) \
+	${GITHUB_DEPLOY_PAYLOAD}
 endef
diff --git a/plugins/github/github-deploy.sh b/plugins/github/github-deploy.sh
index 26382e5..11051d9 100755
--- a/plugins/github/github-deploy.sh
+++ b/plugins/github/github-deploy.sh
@@ -5,12 +5,13 @@ set -eu -o pipefail
 environment=$1
 auto_merge=$2
 task=$3
+payload=$4
 
 if git fetch && git diff @"{push}" --shortstat --exit-code >/dev/null 2>&1; then
   # Trigger the deployment event
   gh api repos/:owner/:repo/deployments -H "Accept: application/vnd.github.ant-man-preview+json" \
     --method POST -F ref=":branch" -F environment="$environment" -F auto_merge="$auto_merge" \
-    -F task="$task"
+    -F task="$task" -F payload="$payload"
 
   echo "Looking for active runs..." && sleep 5