diff --git a/dependabot/docker/go/Dockerfile b/dependabot/docker/go/Dockerfile
index 54768de..9b60a2b 100644
--- a/dependabot/docker/go/Dockerfile
+++ b/dependabot/docker/go/Dockerfile
@@ -14,4 +14,4 @@
 # binaries) to reflect that version of Go.
 
 # https://hub.docker.com/_/golang
-FROM golang:1.21rc3
+FROM golang:1.21rc4