diff --git a/CHANGELOG.md b/CHANGELOG.md
index 013f32b5..a9d1f524 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 - [#3072](https://github.com/oauth2-proxy/oauth2-proxy/pull/3072) feat: support for multiple github orgs #3072 (@daniel-mersch)
 - [#3116](https://github.com/oauth2-proxy/oauth2-proxy/pull/3116) feat: bump to go1.24.5 and full dependency update (@wardviaene / @dolmen)
+- [#3097](https://github.com/oauth2-proxy/oauth2-proxy/pull/3097) chore(deps): update alpine base image to v3.22.0
 
 # V7.9.0
 
diff --git a/Makefile b/Makefile
index 870f1d2d..f6128c0c 100644
--- a/Makefile
+++ b/Makefile
@@ -67,7 +67,7 @@ DOCKER_BUILDX_PUSH            := $(DOCKER_BUILDX) --push
 DOCKER_BUILDX_PUSH_X_PLATFORM := $(DOCKER_BUILDX_PUSH) --platform ${DOCKER_BUILD_PLATFORM}
 
 DOCKER_BUILD_PLATFORM_ALPINE         ?= linux/amd64,linux/arm64,linux/ppc64le,linux/arm/v6,linux/arm/v7,linux/s390x
-DOCKER_BUILD_RUNTIME_IMAGE_ALPINE    ?= alpine:3.21.3
+DOCKER_BUILD_RUNTIME_IMAGE_ALPINE    ?= alpine:3.22.0
 DOCKER_BUILDX_ARGS_ALPINE            ?= --build-arg RUNTIME_IMAGE=${DOCKER_BUILD_RUNTIME_IMAGE_ALPINE} ${DOCKER_BUILDX_COMMON_ARGS}
 DOCKER_BUILDX_X_PLATFORM_ALPINE      := docker buildx build ${DOCKER_BUILDX_ARGS_ALPINE} --platform ${DOCKER_BUILD_PLATFORM_ALPINE}
 DOCKER_BUILDX_PUSH_X_PLATFORM_ALPINE := $(DOCKER_BUILDX_X_PLATFORM_ALPINE) --push