diff --git a/CHANGELOG.md b/CHANGELOG.md
index d87139c3..8f3512a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -37,6 +37,8 @@ to remain consistent with CLI flags. You should specify `code_challenge_method`
 
 - [#1762](https://github.com/oauth2-proxy/oauth2-proxy/pull/1762) Support negating for skip auth routes
 
+- [#1788](https://github.com/oauth2-proxy/oauth2-proxy/pull/1788) Update base docker image to alpine 3.16
+
 # V7.3.0
 
 ## Release Highlights
diff --git a/Dockerfile b/Dockerfile
index bf90a6c0..207aed43 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # This ARG has to be at the top, otherwise the docker daemon does not known what to do with FROM ${RUNTIME_IMAGE}
-ARG RUNTIME_IMAGE=alpine:3.15
+ARG RUNTIME_IMAGE=alpine:3.16
 
 # All builds should be done using the platform native to the build node to allow
 #  cache sharing of the go mod download step.