diff --git a/Dockerfile b/Dockerfile
index 1189b02..0c40ac2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM alpine:3.14
 
+ARG     GRAALVERSION
+
 COPY platform.sh ./platform.sh
 RUN ls -l
 RUN chmod +x ./platform.sh && ./platform.sh