diff --git a/examples/app_cicd/cloud-build-builder/Dockerfile b/examples/app_cicd/cloud-build-builder/Dockerfile
index 695a7766..7889dfe5 100644
--- a/examples/app_cicd/cloud-build-builder/Dockerfile
+++ b/examples/app_cicd/cloud-build-builder/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Start by building the application.
-FROM golang:1.15-buster as kritis-build
+FROM golang:1.20-buster as kritis-build
 
 # Install kritis
 WORKDIR /go/src
diff --git a/examples/private_cluster_cicd/cloud-build-builder/Dockerfile b/examples/private_cluster_cicd/cloud-build-builder/Dockerfile
index 695a7766..7889dfe5 100644
--- a/examples/private_cluster_cicd/cloud-build-builder/Dockerfile
+++ b/examples/private_cluster_cicd/cloud-build-builder/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Start by building the application.
-FROM golang:1.15-buster as kritis-build
+FROM golang:1.20-buster as kritis-build
 
 # Install kritis
 WORKDIR /go/src