diff --git a/build/ks-apiserver/Dockerfile b/build/ks-apiserver/Dockerfile
index edc0925c7..2d9595a54 100644
--- a/build/ks-apiserver/Dockerfile
+++ b/build/ks-apiserver/Dockerfile
@@ -18,7 +18,7 @@ RUN mv /workspace/bin/cmd/ks-apiserver ${OUTDIR}/usr/local/bin/
 # Final image
 #############
 
-FROM alpine:3.16.2
+FROM alpine:3.18.3
 
 COPY --from=build_context /out/ /
 
diff --git a/build/ks-controller-manager/Dockerfile b/build/ks-controller-manager/Dockerfile
index cf732be0e..582598925 100644
--- a/build/ks-controller-manager/Dockerfile
+++ b/build/ks-controller-manager/Dockerfile
@@ -3,7 +3,7 @@
 # that can be found in the LICENSE file.
 
 # Download dependencies
-FROM alpine:3.16.2 as base_os_context
+FROM alpine:3.18.3 as base_os_context
 
 ARG INGRESS_NGINX_VERSION=4.2.5
 
@@ -40,7 +40,7 @@ RUN mv /workspace/config/watches.yaml ${OUTDIR}/var/helm-charts/
 
 # Final Image
 
-FROM alpine:3.16.2
+FROM alpine:3.18.3
 
 COPY --from=base_os_context /out/ /
 COPY --from=build_context /out/ /