diff --git a/Dockerfile b/Dockerfile
index 0dd7542..2d19785 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.19
+FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.20
 
 # set version label
 ARG BUILD_DATE
@@ -70,6 +70,7 @@ RUN \
   npm ci --no-audit && \
   npm run build && \
   rm -rf /app/www/node_modules && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
   apk del --purge \
     build-dependencies && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index e916155..838468b 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine-nginx:arm64v8-3.19
+FROM ghcr.io/linuxserver/baseimage-alpine-nginx:arm64v8-3.20
 
 # set version label
 ARG BUILD_DATE
@@ -70,6 +70,7 @@ RUN \
   npm ci --no-audit && \
   npm run build && \
   rm -rf /app/www/node_modules && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
   apk del --purge \
     build-dependencies && \
diff --git a/Jenkinsfile b/Jenkinsfile
index ac8cb2d..d9fc98c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -33,9 +33,9 @@ pipeline {
     CI_WEB='true'
     CI_PORT='80'
     CI_SSL='false'
-    CI_DELAY='120'
-    CI_DOCKERENV='TZ=Europe/London|DB_CONNECTION=sqlite'
-    CI_AUTH='user:password'
+    CI_DELAY='60'
+    CI_DOCKERENV='DB_CONNECTION=sqlite'
+    CI_AUTH=''
     CI_WEBPATH=''
   }
   stages {
diff --git a/README.md b/README.md
index 5fa1294..50c6d35 100644
--- a/README.md
+++ b/README.md
@@ -322,6 +322,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **27.05.24:** - Rebase to Alpine 3.20. Existing users should update: site-confs/default.conf to avoid http2 deprecation warnings.
 * **18.01.24:** - Add php-sodium.
 * **13.01.24:** - Rebase to Alpine 3.19 with php 8.3.
 * **27.12.23:** - Update image to support v5.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index 46fd903..5a2aec2 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -6,7 +6,6 @@ external_type: github_stable
 release_type: stable
 release_tag: latest
 ls_branch: master
-build_armhf: false
 repo_vars:
   - EXT_GIT_BRANCH = 'master'
   - EXT_USER = 'LycheeOrg'
@@ -24,7 +23,7 @@ repo_vars:
   - CI_WEB='true'
   - CI_PORT='80'
   - CI_SSL='false'
-  - CI_DELAY='120'
-  - CI_DOCKERENV='TZ=Europe/London|DB_CONNECTION=sqlite'
-  - CI_AUTH='user:password'
+  - CI_DELAY='60'
+  - CI_DOCKERENV='DB_CONNECTION=sqlite'
+  - CI_AUTH=''
   - CI_WEBPATH=''
diff --git a/readme-vars.yml b/readme-vars.yml
index 0e3a16f..70f0fb0 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -67,6 +67,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "27.05.24:", desc: "Rebase to Alpine 3.20. Existing users should update their nginx confs to avoid http2 deprecation warnings."}
   - { date: "18.01.24:", desc: "Add php-sodium."}
   - { date: "13.01.24:", desc: "Rebase to Alpine 3.19 with php 8.3."}
   - { date: "27.12.23:", desc: "Update image to support v5." }
diff --git a/root/defaults/nginx/site-confs/default.conf.sample b/root/defaults/nginx/site-confs/default.conf.sample
index e614d0b..1d154fd 100644
--- a/root/defaults/nginx/site-confs/default.conf.sample
+++ b/root/defaults/nginx/site-confs/default.conf.sample
@@ -1,11 +1,8 @@
-## Version 2023/12/25 - Changelog: https://github.com/linuxserver/docker-lychee/commits/master/root/defaults/nginx/site-confs/default.conf.sample
+## Version 2024/05/27 - Changelog: https://github.com/linuxserver/docker-lychee/commits/master/root/defaults/nginx/site-confs/default.conf.sample
 
 server {
-    listen 80 default_server;
-    listen [::]:80 default_server;
-
-    listen 443 ssl http2 default_server;
-    listen [::]:443 ssl http2 default_server;
+    listen *:80 default_server;
+    listen *:443 ssl default_server;
 
     server_name _;
 
diff --git a/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run b/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
index 4c55964..7007a6a 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
@@ -11,7 +11,7 @@ if [[ ! "$(ls -A /pictures)" ]]; then
     mv /app/www/public/uploads/* /pictures/
     lsiown -R abc:abc /pictures
 elif [[ ! "$(ls -A /pictures/import 2>/dev/null)" ]]; then
-    printf "\n\n\n\nSeems like you tried to use a path thats not managed by lychee, this is unsupported\n\n\n\n"
+    printf "\n\n\n\nSeems like you tried to use a path that's not managed by lychee, this is unsupported\n\n\n\n"
 fi
 
 if [[ ! -L /app/www/public/uploads ]]; then