diff --git a/Dockerfile b/Dockerfile
index 46ef26e..1587fd7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG ALPINE_IMAGE=alpine
-ARG ALPINE_VERSION=edge
+ARG ALPINE_VERSION=3.20
 ARG ZT_COMMIT=91e7ce87f09ac1cfdeaf6ff22c3cedcd93574c86
 ARG ZT_VERSION=1.14.0