diff --git a/Dockerfile b/Dockerfile
index 36ec439..1257032 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ponylang/ponyc:release-alpine AS build
+FROM ghcr.io/ponylang/ponyc:release-alpine AS build
 
 WORKDIR /src/rfc-tool