diff --git a/Dockerfile b/Dockerfile
index e075de9..fbb87e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.17
+FROM ghcr.io/linuxserver/baseimage-alpine:3.18
 
 # set version label
 ARG UNRAR_VERSION=6.2.10
@@ -59,11 +59,11 @@ RUN \
     /app/bazarr/bin/postgres-requirements.txt -L \
     "https://raw.githubusercontent.com/morpheus65535/bazarr/${BAZARR_VERSION}/postgres-requirements.txt" && \
   echo "**** Install requirements ****" && \
-  python3 -m ensurepip && \
-  pip3 install -U --no-cache-dir \
+  python3 -m venv /lsiopy && \
+  pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip3 install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.17/ \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.18/ \
     -r /app/bazarr/bin/requirements.txt \
     -r /app/bazarr/bin/postgres-requirements.txt && \
   echo "**** clean up ****" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 984d4cb..7758f77 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.17
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.18
 
 # set version label
 ARG UNRAR_VERSION=6.2.10
@@ -59,11 +59,11 @@ RUN \
     /app/bazarr/bin/postgres-requirements.txt -L \
     "https://raw.githubusercontent.com/morpheus65535/bazarr/${BAZARR_VERSION}/postgres-requirements.txt" && \
   echo "**** Install requirements ****" && \
-  python3 -m ensurepip && \
-  pip3 install -U --no-cache-dir \
+  python3 -m venv /lsiopy && \
+  pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip3 install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.17/ \
+  pip install -U --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.18/ \
     -r /app/bazarr/bin/requirements.txt \
     -r /app/bazarr/bin/postgres-requirements.txt && \
   echo "**** clean up ****" && \
diff --git a/readme-vars.yml b/readme-vars.yml
index 02839c4..cdd0e21 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -38,6 +38,7 @@ app_setup_block: |
   - You must complete all the setup parameters in the webui before you can save the config.
 # changelog
 changelogs:
+  - {date: "11.08.23:", desc: "Rebase to Alpine 3.18."}
   - {date: "10.08.23:", desc: "Bump unrar to 6.2.10."}
   - {date: "04.07.23:", desc: "Deprecate armhf. As announced [here](https://www.linuxserver.io/blog/a-farewell-to-arm-hf)"}
   - {date: "26.02.23:", desc: "Add dependencies for postgres support. Add mediainfo."}