diff --git a/cmd/ruler/Dockerfile b/cmd/ruler/Dockerfile
index 7e127f8..0fe004d 100644
--- a/cmd/ruler/Dockerfile
+++ b/cmd/ruler/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.4 as builder
+FROM golang:1.21.5 as builder
 WORKDIR /workspace
 
 ARG GOPROXY