diff --git a/build/controller/Dockerfile b/build/controller/Dockerfile
index d8ddc85..43aeb27 100644
--- a/build/controller/Dockerfile
+++ b/build/controller/Dockerfile
@@ -1,5 +1,5 @@
 ### build go executable
-FROM --platform=$BUILDPLATFORM golang:1.21.3 as build
+FROM --platform=$BUILDPLATFORM golang:1.21.4 as build
 
 WORKDIR /go/src
 
diff --git a/build/webhook/Dockerfile b/build/webhook/Dockerfile
index 20f3fe5..2fadd6d 100644
--- a/build/webhook/Dockerfile
+++ b/build/webhook/Dockerfile
@@ -1,5 +1,5 @@
 ### build go executable
-FROM --platform=$BUILDPLATFORM golang:1.21.3 as build
+FROM --platform=$BUILDPLATFORM golang:1.21.4 as build
 
 WORKDIR /go/src