diff --git a/Dockerfile b/Dockerfile
index a09d8ed..24d954e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,2 @@
-FROM gcr.io/pipecd/actions-plan-preview:1.7.2
+# https://github.com/pipe-cd/pipecd/pkgs/container/actions-plan-preview/61747856?tag=v0.41.0-8-g479336d
+FROM ghcr.io/pipe-cd/actions-plan-preview@sha256:50b04e7e008039df7eecaeccb4b332b18c335fee3b22c11bcaf5f1ca9ae0ced9