diff --git a/Dockerfile b/Dockerfile
index 419b3ab..ef57a0a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.18
+FROM ghcr.io/linuxserver/baseimage-alpine:3.19
 
 # set version label
 ARG BUILD_DATE
@@ -29,7 +29,7 @@ RUN \
   pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.18/ \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.19/ \
     cryptography \
     python-ldap=="${LDAP_VERSION}" && \
   echo "**** cleanup ****" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 97144ba..8d6ebb3 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.18
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.19
 
 # set version label
 ARG BUILD_DATE
@@ -29,7 +29,7 @@ RUN \
   pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.18/ \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.19/ \
     cryptography \
     python-ldap=="${LDAP_VERSION}" && \
   echo "**** cleanup ****" && \
diff --git a/readme-vars.yml b/readme-vars.yml
index c3ed53d..75d44a4 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -42,6 +42,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "23.12.23:", desc: "Rebase to Alpine 3.19."}
   - { date: "20.06.23:", desc: "Sync upstream changes, including the ability to disable referrals with `X-Ldap-DisableReferrals`." }
   - { date: "25.05.23:", desc: "Rebase to Alpine 3.18, deprecate armhf." }
   - { date: "30.12.22:", desc: "Rebase to alpine 3.17." }