diff --git a/Dockerfile.kubernikus b/Dockerfile.kubernikus
index 870b4ddb83..3d73413636 100644
--- a/Dockerfile.kubernikus
+++ b/Dockerfile.kubernikus
@@ -1,5 +1,5 @@
 ARG DOCS_IMAGE=keppel.eu-de-1.cloud.sap/ccloud/kubernikus-docs-builder:latest
-FROM keppel.eu-de-1.cloud.sap/ccloud-dockerhub-mirror/library/golang:1.22-alpine3.18 as builder
+FROM keppel.eu-de-1.cloud.sap/ccloud-dockerhub-mirror/library/golang:1.22-alpine3.19 as builder
 WORKDIR /app
 RUN apk add --no-cache make bash git curl gcc musl-dev
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2
diff --git a/Dockerfile.kubernikus-binaries b/Dockerfile.kubernikus-binaries
index e48c8d5ef3..e52a246b2b 100644
--- a/Dockerfile.kubernikus-binaries
+++ b/Dockerfile.kubernikus-binaries
@@ -1,4 +1,4 @@
-FROM keppel.eu-de-1.cloud.sap/ccloud-dockerhub-mirror/library/golang:1.22-alpine3.18 as builder
+FROM keppel.eu-de-1.cloud.sap/ccloud-dockerhub-mirror/library/golang:1.22-alpine3.19 as builder
 RUN apk add --no-cache make git curl bash gcc musl-dev
 WORKDIR /app
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2