diff --git a/transport-site/Dockerfile b/transport-site/Dockerfile
index 7f7b3fe..21c96c0 100644
--- a/transport-site/Dockerfile
+++ b/transport-site/Dockerfile
@@ -1,5 +1,5 @@
 # We are interested in the binaries compiled on that container:
-FROM ghcr.io/etalab/transport-tools:v1.0.7 as transport-tools
+FROM ghcr.io/etalab/transport-tools:v1.0.7 AS transport-tools
 
 # We leverage the base images published by hexpm at:
 #