diff --git a/images/cfssl/rootfs/Dockerfile b/images/cfssl/rootfs/Dockerfile
index 2afc43c7a..c23f66d49 100644
--- a/images/cfssl/rootfs/Dockerfile
+++ b/images/cfssl/rootfs/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
 RUN apk update \
diff --git a/images/nginx-1.25/rootfs/Dockerfile b/images/nginx-1.25/rootfs/Dockerfile
index 8327d99f2..13dcec33d 100644
--- a/images/nginx-1.25/rootfs/Dockerfile
+++ b/images/nginx-1.25/rootfs/Dockerfile
@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM alpine:3.19.1 as builder
+FROM alpine:3.20.0 as builder
 
 COPY . /
 
@@ -21,7 +21,7 @@ RUN apk update \
   && /build.sh
 
 # Use a multi-stage build
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 ENV PATH=$PATH:/usr/local/luajit/bin:/usr/local/nginx/sbin:/usr/local/nginx/bin
 
diff --git a/images/nginx/rootfs/Dockerfile b/images/nginx/rootfs/Dockerfile
index 3dd841c6c..f3d61017e 100644
--- a/images/nginx/rootfs/Dockerfile
+++ b/images/nginx/rootfs/Dockerfile
@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM alpine:3.19.1 as builder
+FROM alpine:3.20.0 as builder
 
 COPY . /
 
@@ -21,7 +21,7 @@ RUN apk update \
   && /build.sh
 
 # Use a multi-stage build
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 ENV PATH=$PATH:/usr/local/luajit/bin:/usr/local/nginx/sbin:/usr/local/nginx/bin
 
diff --git a/images/opentelemetry/rootfs/Dockerfile b/images/opentelemetry/rootfs/Dockerfile
index bb88ec760..eb951e5c4 100644
--- a/images/opentelemetry/rootfs/Dockerfile
+++ b/images/opentelemetry/rootfs/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 
-FROM alpine:3.19.1 as base
+FROM alpine:3.20.0 as base
 
 RUN mkdir -p /opt/third_party/install
 COPY . /opt/third_party/
diff --git a/rootfs/Dockerfile-chroot b/rootfs/Dockerfile-chroot
index 98f078261..c06db2252 100644
--- a/rootfs/Dockerfile-chroot
+++ b/rootfs/Dockerfile-chroot
@@ -23,7 +23,7 @@ RUN apk update \
   && apk upgrade \
   && /chroot.sh
 
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 ARG TARGETARCH
 ARG VERSION
diff --git a/test/e2e-image/Dockerfile b/test/e2e-image/Dockerfile
index 6c1fbefc6..0130ca09b 100644
--- a/test/e2e-image/Dockerfile
+++ b/test/e2e-image/Dockerfile
@@ -1,7 +1,7 @@
 ARG E2E_BASE_IMAGE
 FROM ${E2E_BASE_IMAGE} AS BASE
 
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 RUN apk update \
 	&& apk upgrade && apk add -U --no-cache \