diff --git a/Dockerfile b/Dockerfile
index c4a6922..81ed93b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.20
+FROM ghcr.io/linuxserver/baseimage-alpine:3.19
 
 # set version label
 ARG BUILD_DATE
@@ -34,7 +34,7 @@ RUN \
     setuptools \
     wheel && \
   pip install -U --no-cache-dir pytz && \
-  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.20 -r /home/py-kms/requirements.txt && \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.19 -r /home/py-kms/requirements.txt && \
   printf "Version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   apk del --purge \
     build-dependencies && \
diff --git a/README.md b/README.md
index 7b0832d..8e57bdb 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,7 @@ In this instance `PUID=1000` and `PGID=1000`, to find yours use `id user` as bel
 
 ## Versions
 
+* **13.11.24:** - Revert to Alpine 3.19 & Python 3.11 to fix bug with Win 11 and Office activations.
 * **26.05.24:** - Rebase to Alpine 3.20.
 * **30.12.23:** - Rebase to Alpine 3.19.
 * **29.10.23:** - Provide IPv4-only option for legacy hosts.