diff --git a/ci/Dockerfile-envoy-alpine b/ci/Dockerfile-envoy-alpine
index 36a23f6e3a2aa..ae0e57cdb9e96 100644
--- a/ci/Dockerfile-envoy-alpine
+++ b/ci/Dockerfile-envoy-alpine
@@ -1,4 +1,4 @@
-FROM frolvlad/alpine-glibc:alpine-3.12_glibc-2.31
+FROM frolvlad/alpine-glibc:alpine-3.14_glibc-2.33
 RUN mkdir -p /etc/envoy
 
 ADD configs/envoyproxy_io_proxy.yaml /etc/envoy/envoy.yaml
diff --git a/ci/Dockerfile-envoy-distroless b/ci/Dockerfile-envoy-distroless
index d2647f7b38557..40c2257e5b4bb 100644
--- a/ci/Dockerfile-envoy-distroless
+++ b/ci/Dockerfile-envoy-distroless
@@ -1,4 +1,4 @@
-FROM gcr.io/distroless/base-debian10:nonroot
+FROM gcr.io/distroless/base-debian11:nonroot
 
 ADD configs/envoyproxy_io_proxy.yaml /etc/envoy/envoy.yaml