diff --git a/ko/Dockerfile b/ko/Dockerfile
index 28e4cd4..f671940 100644
--- a/ko/Dockerfile
+++ b/ko/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:edge
+FROM docker.io/golang:1.19-alpine
 
 RUN echo https://dl-cdn.alpinelinux.org/alpine/edge/testing/ >> /etc/apk/repositories && \
 	apk add -U --no-cache ko