diff --git a/build/Dockerfile-controller b/build/Dockerfile-controller
index 5b1ff511..b649379a 100644
--- a/build/Dockerfile-controller
+++ b/build/Dockerfile-controller
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=${BUILDPLATFORM} golang:1.19-alpine3.16 as builder
+FROM --platform=${BUILDPLATFORM} golang:1.21-alpine3.19 as builder
 
 ARG TARGETOS
 ARG TARGETARCH
diff --git a/build/Dockerfile-converter b/build/Dockerfile-converter
index f7172c60..52158953 100644
--- a/build/Dockerfile-converter
+++ b/build/Dockerfile-converter
@@ -1,5 +1,5 @@
 # Build the converter binary
-FROM --platform=${BUILDPLATFORM} golang:1.19-alpine3.16 as builder
+FROM --platform=${BUILDPLATFORM} golang:1.21-alpine3.19 as builder
 
 ARG TARGETOS
 ARG TARGETARCH