diff --git a/Dockerfile b/Dockerfile
index f82079ff..a27c937f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG BUILDER_IMAGE
 ARG BASE_IMAGE
 
 # Build the manager binary
-FROM --platform=${BUILDPLATFORM} ${BUILDER_IMAGE:-golang:1.21.4} as builder
+FROM --platform=${BUILDPLATFORM} ${BUILDER_IMAGE:-golang:1.21.5} as builder
 
 ARG TARGETOS
 ARG TARGETARCH