diff --git a/Dockerfile b/Dockerfile
index a717d01989..4706deb60c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG KUBERNETES_VERSION=dev
 
 # Build environment
-FROM rancher/hardened-build-base:v1.19.10b2 AS build
+FROM rancher/hardened-build-base:v1.20.6b2 AS build
 ARG DAPPER_HOST_ARCH
 ENV ARCH $DAPPER_HOST_ARCH
 RUN set -x \
@@ -138,7 +138,7 @@ RUN rm -vf /charts/*.sh /charts/*.md
 # This image includes any host level programs that we might need. All binaries
 # must be placed in bin/ of the file image and subdirectories of bin/ will be flattened during installation.
 # This means bin/foo/bar will become bin/bar when rke2 installs this to the host
-FROM rancher/hardened-kubernetes:v1.25.11-rke2r1-build20230614 AS kubernetes
+FROM rancher/hardened-kubernetes:v1.25.12-rke2r1-build20230719 AS kubernetes
 FROM rancher/hardened-containerd:v1.7.1-k3s1-build20230511 AS containerd
 FROM rancher/hardened-crictl:v1.26.1-build20230406 AS crictl
 FROM rancher/hardened-runc:v1.1.7-build20230511 AS runc
diff --git a/scripts/version.sh b/scripts/version.sh
index 6f0b8febb2..c5c17702f3 100755
--- a/scripts/version.sh
+++ b/scripts/version.sh
@@ -31,8 +31,8 @@ REVISION=$(git rev-parse HEAD)$(if ! git diff --no-ext-diff --quiet --exit-code;
 PLATFORM=${GOOS}-${GOARCH}
 RELEASE=${PROG}.${PLATFORM}
 # hardcode versions unless set specifically
-KUBERNETES_VERSION=${KUBERNETES_VERSION:-v1.25.11}
-KUBERNETES_IMAGE_TAG=${KUBERNETES_IMAGE_TAG:-v1.25.11-rke2r1-build20230614}
+KUBERNETES_VERSION=${KUBERNETES_VERSION:-v1.25.12}
+KUBERNETES_IMAGE_TAG=${KUBERNETES_IMAGE_TAG:-v1.25.12-rke2r1-build20230719}
 ETCD_VERSION=${ETCD_VERSION:-v3.5.7-k3s1}
 PAUSE_VERSION=${PAUSE_VERSION:-3.6}
 CCM_VERSION=${CCM_VERSION:-v1.26.3-build20230406}