diff --git a/build/tooling/Dockerfile b/build/tooling/Dockerfile
index 5c927ce277c..a206acae068 100644
--- a/build/tooling/Dockerfile
+++ b/build/tooling/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-bullseye@sha256:2ae255c69b2e96cac149ca10b02b9fd3ef71033e0187fb8c9c3c333626e5ae50
+FROM golang:1.21-bullseye@sha256:0ed263861f71db3c4fed4d900b621aca03a3b91b8bc5f1dd56584af191c89d68
 
 RUN GO111MODULE=on go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.10.0
 RUN GO111MODULE=on go install k8s.io/code-generator/cmd/conversion-gen@v0.25.4