diff --git a/Dockerfile b/Dockerfile
index 92055cc..4f2dbe8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,7 @@ RUN apk add --no-cache ca-certificates libstdc++ su-exec bash-completion tar nod
 
 # copy entrypoint script to work directory
 COPY entrypoint.sh ./
+RUN chmod +x entrypoint.sh
 
 # mount volume directory of the Foundry application
 VOLUME /foundry