diff --git a/Dockerfile b/Dockerfile
index 7c0cee87fea59fa1941d2d53cd624bf04c82b4ae..3c9752fbcc9670e1cf68cae35393ffcaebb65b26 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:latest
+FROM docker.io/library/golang:1.20.1
 
 COPY . /src
 COPY merge-runbooks /usr/bin/merge-runbooks