diff --git a/CHANGELOG.md b/CHANGELOG.md
index f61ed4779..e39f856f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,11 +14,16 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - ARM64 OTP builds
   - Ubuntu22 builds are available for develop and stable
   - other distributions are stable only
+- Support for Elixir 1.15
+  - 1.14 is still supported
 
 ## Changed
 
 - Alpine OTP builds are now from alpine 3.18, which is SSLv3 compatible.
   If you use alpine OTP builds you will have to update your local system.
+- Debian OTP builds are now from a base of bookwork, which is SSLv3 compatible.
+  If you use debian OTP builds you will have to update your local system to
+  bookworm (currently: stable).
 
 ## Fixed
 
@@ -30,6 +35,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Add `no_new_privs` hardening to OpenRC and systemd service files
 
+## Removed
+
+- Builds for debian oldstable (bullseye)
+  - If you are on oldstable you should NOT attempt to update OTP builds without
+    first updating your machine.
+
 ## 2023.05
 
 ## Added
diff --git a/Dockerfile b/Dockerfile
index b175d7835..f695322e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM hexpm/elixir:1.14.3-erlang-25.2.2-alpine-3.18.0
+FROM hexpm/elixir:1.15.4-erlang-25.3.2.5-alpine-3.18.2
 
 ENV MIX_ENV=prod
 ENV ERL_EPMD_ADDRESS=127.0.0.1