diff --git a/Dockerfile b/Dockerfile
index d8fa44a..fcf2244 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.14
 
 RUN apk --update --no-cache add nodejs npm python3 py3-pip jq curl bash git docker && \
 	ln -sf /usr/bin/python3 /usr/bin/python
diff --git a/entrypoint.sh b/entrypoint.sh
index 5a2e705..481af9f 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -61,6 +61,13 @@ function installPipRequirements(){
 }
 
 function runCdk(){
+	user=$(stat -c "%u" node_modules)
+	group=$(stat -c "%g" node_modules)
+	addgroup -g $group github
+	adduser -u $user -G github -D github
+	mkdir -p cdk.out
+	chown github:github cdk.out
+
 	echo "Run cdk ${INPUT_CDK_SUBCOMMAND} ${*} \"${INPUT_CDK_STACK}\""
 	set -o pipefail
 	cdk ${INPUT_CDK_SUBCOMMAND} ${*} "${INPUT_CDK_STACK}" 2>&1 | tee output.log