diff --git a/Dockerfile b/Dockerfile
index f18f993..4af3384 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.19
+FROM ghcr.io/linuxserver/baseimage-alpine:3.20
 
 # set version label
 ARG BUILD_DATE
@@ -44,6 +44,7 @@ RUN \
     /tmp/ini.zip -L \
     http://www.webgrabplus.com/sites/default/files/download/ini/SiteIniPack_current.zip && \
   unzip -q /tmp/ini.zip -d /defaults/ini/ && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
   rm -rf \
     /tmp/*
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 8697b60..981fc00 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.19
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.20
 
 # set version label
 ARG BUILD_DATE
@@ -45,6 +45,7 @@ RUN \
     /tmp/ini.zip -L \
     http://www.webgrabplus.com/sites/default/files/download/ini/SiteIniPack_current.zip && \
   unzip -q /tmp/ini.zip -d /defaults/ini/ && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
   rm -rf \
     /tmp/* \
diff --git a/Jenkinsfile b/Jenkinsfile
index 4904775..b3acd20 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -30,9 +30,9 @@ pipeline {
     CI_WEB='false'
     CI_PORT='80'
     CI_SSL='false'
-    CI_DELAY='30'
-    CI_DOCKERENV='TZ=US/Pacific'
-    CI_AUTH='user:password'
+    CI_DELAY='120'
+    CI_DOCKERENV=''
+    CI_AUTH=''
     CI_WEBPATH=''
   }
   stages {
diff --git a/README.md b/README.md
index dcd862e..f872b31 100644
--- a/README.md
+++ b/README.md
@@ -287,6 +287,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **25.06.24:** - Rebase to Alpine 3.20.
 * **23.04.24:** - Bump dotnet framework to 8.x.
 * **23.12.23:** - Rebase to Alpine 3.19.
 * **18.08.23:** - Rebase to Alpine 3.18.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index c08a8e7..646b763 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -21,7 +21,7 @@ repo_vars:
   - CI_WEB='false'
   - CI_PORT='80'
   - CI_SSL='false'
-  - CI_DELAY='30'
-  - CI_DOCKERENV='TZ=US/Pacific'
-  - CI_AUTH='user:password'
+  - CI_DELAY='120'
+  - CI_DOCKERENV=''
+  - CI_AUTH=''
   - CI_WEBPATH=''
diff --git a/readme-vars.yml b/readme-vars.yml
index 5665911..13ad3f5 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -23,13 +23,6 @@ param_usage_include_vols: true
 param_volumes:
   - { vol_path: "/config", vol_host_path: "/path/to/{{ project_name }}/config", desc: "Persistent config files" }
   - {vol_path: "/data", vol_host_path: "/path/to/data", desc: "Where webgrabplus should store it's data files."}
-param_usage_include_ports: false
-param_usage_include_env: true
-param_env_vars:
-  - {env_var: "TZ", env_value: "Europe/London", desc: "Specify a timezone to use EG Europe/London"}
-# optional parameters
-optional_block_1: false
-optional_block_1_items: ""
 # application setup block
 app_setup_block_enabled: true
 app_setup_block: |
@@ -47,8 +40,9 @@ app_setup_block: |
   To adjust the scheduled cron job, you can apply our [universal cron mod](https://github.com/linuxserver/docker-mods/tree/universal-cron).
 # changelog
 changelogs:
+  - {date: "25.06.24:", desc: "Rebase to Alpine 3.20."}
   - {date: "23.04.24:", desc: "Bump dotnet framework to 8.x."}
-  - { date: "23.12.23:", desc: "Rebase to Alpine 3.19."}
+  - {date: "23.12.23:", desc: "Rebase to Alpine 3.19."}
   - {date: "18.08.23:", desc: "Rebase to Alpine 3.18."}
   - {date: "16.08.23:", desc: "Update dotnet framework to 7.x."}
   - {date: "06.07.23:", desc: "Deprecate armhf. As announced [here](https://www.linuxserver.io/blog/a-farewell-to-arm-hf)"}