diff --git a/3.0/alpine3.13/Dockerfile b/3.0/alpine3.13/Dockerfile
index ba573d215a..852715ca7c 100644
--- a/3.0/alpine3.13/Dockerfile
+++ b/3.0/alpine3.13/Dockerfile
@@ -4,7 +4,7 @@
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
 
-FROM alpine:3.13
+FROM alpine:3
 
 RUN set -eux; \
 	apk add --no-cache \