diff --git a/.github/workflows/external_trigger.yml b/.github/workflows/external_trigger.yml
index 45c67f4..07fd801 100755
--- a/.github/workflows/external_trigger.yml
+++ b/.github/workflows/external_trigger.yml
@@ -23,7 +23,7 @@ jobs:
           echo "> [!NOTE]" >> $GITHUB_STEP_SUMMARY
           echo "> External trigger running off of master branch. To disable this trigger, add \`webgrabplus_master\` into the Github organizational variable \`SKIP_EXTERNAL_TRIGGER\`." >> $GITHUB_STEP_SUMMARY
           printf "\n## Retrieving external version\n\n" >> $GITHUB_STEP_SUMMARY
-          EXT_RELEASE=$(curl -fsL 'http://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\1|')
+          EXT_RELEASE=$(curl -fsL 'https://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\1|')
           echo "Type is \`custom_version_command\`" >> $GITHUB_STEP_SUMMARY
           if [ -z "${EXT_RELEASE}" ] || [ "${EXT_RELEASE}" == "null" ]; then
             echo "> [!WARNING]" >> $GITHUB_STEP_SUMMARY
diff --git a/Dockerfile b/Dockerfile
index 4af3384..a0eabe6 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:3.21
 
 # set version label
 ARG BUILD_DATE
@@ -12,7 +12,7 @@ LABEL maintainer="saarg"
 ARG WEBGRAB_VER
 
 # environment variables.
-ENV HOME /config
+ENV HOME=/config
 
 RUN \
   echo "**** install packages ****" && \
@@ -28,10 +28,10 @@ RUN \
   /tmp/dotnet-install.sh -c 8.0 --install-dir /app/dotnet --runtime dotnet && \
   echo "**** install webgrabplus ****" && \
   if [ -z "$WEBGRAB_VER" ]; then \
-    WEBGRAB_VER=$(curl -fsL http://webgrabplus.com/download/sw | grep -m1 /download/sw/v | sed 's|.*/download/sw/v\(.*\)">V.*|\1|'); \
+    WEBGRAB_VER=$(curl -fsL https://webgrabplus.com/download/sw | grep -m1 /download/sw/v | sed 's|.*/download/sw/v\(.*\)">V.*|\1|'); \
   fi && \
   echo "Found Webgrabplus version ${WEBGRAB_VER}" && \
-  WEBGRAB_URL=$(curl -fsL http://webgrabplus.com/download/sw/v${WEBGRAB_VER} | grep '>Linux</a>' | sed 's|.*\(http://webgrab.*.gz\).*|\1|') && \
+  WEBGRAB_URL=$(curl -fsL https://webgrabplus.com/download/sw/v${WEBGRAB_VER} | grep '>Linux</a>' | sed 's|.*\(https://webgrab.*.gz\).*|\1|') && \
   mkdir -p \
     /app/wg++ && \
   curl -o /tmp/wg++.tar.gz -L \
@@ -42,7 +42,7 @@ RUN \
   echo "**** download siteini.pack ****" && \
   curl -o \
     /tmp/ini.zip -L \
-    http://www.webgrabplus.com/sites/default/files/download/ini/SiteIniPack_current.zip && \
+    https://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 ****" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 981fc00..b90bdda 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.20
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.21
 
 # set version label
 ARG BUILD_DATE
@@ -12,8 +12,7 @@ LABEL maintainer="saarg"
 ARG WEBGRAB_VER
 
 # environment variables.
-ARG DEBIAN_FRONTEND="noninteractive"
-ENV HOME /config
+ENV HOME=/config
 
 RUN \
   echo "**** install packages ****" && \
@@ -29,10 +28,10 @@ RUN \
   /tmp/dotnet-install.sh -c 8.0 --install-dir /app/dotnet --runtime dotnet && \
   echo "**** install webgrabplus ****" && \
   if [ -z "$WEBGRAB_VER" ]; then \
-    WEBGRAB_VER=$(curl -fsL http://webgrabplus.com/download/sw | grep -m1 /download/sw/v | sed 's|.*/download/sw/v\(.*\)">V.*|\1|'); \
+    WEBGRAB_VER=$(curl -fsL https://webgrabplus.com/download/sw | grep -m1 /download/sw/v | sed 's|.*/download/sw/v\(.*\)">V.*|\1|'); \
   fi && \
   echo "Found Webgrabplus version ${WEBGRAB_VER}" && \
-  WEBGRAB_URL=$(curl -fsL http://webgrabplus.com/download/sw/v${WEBGRAB_VER} | grep '>Linux</a>' | sed 's|.*\(http://webgrab.*\.gz\).*|\1|') && \
+  WEBGRAB_URL=$(curl -fsL https://webgrabplus.com/download/sw/v${WEBGRAB_VER} | grep '>Linux</a>' | sed 's|.*\(https://webgrab.*\.gz\).*|\1|') && \
   mkdir -p \
     /app/wg++ && \
   curl -o /tmp/wg++.tar.gz -L \
@@ -43,7 +42,7 @@ RUN \
   echo "**** download siteini.pack ****" && \
   curl -o \
     /tmp/ini.zip -L \
-    http://www.webgrabplus.com/sites/default/files/download/ini/SiteIniPack_current.zip && \
+    https://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: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
diff --git a/Jenkinsfile b/Jenkinsfile
index 1df59c0..f329888 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -131,7 +131,7 @@ pipeline {
       steps{
         script{
           env.EXT_RELEASE = sh(
-            script: ''' curl -fsL 'http://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\\1|' ''',
+            script: ''' curl -fsL 'https://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\\1|' ''',
             returnStdout: true).trim()
             env.RELEASE_LINK = 'custom_command'
         }
@@ -573,7 +573,7 @@ pipeline {
           --label \"org.opencontainers.image.licenses=GPL-3.0-only\" \
           --label \"org.opencontainers.image.ref.name=${COMMIT_SHA}\" \
           --label \"org.opencontainers.image.title=Webgrabplus\" \
-          --label \"org.opencontainers.image.description=[Webgrabplus](http://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
+          --label \"org.opencontainers.image.description=[Webgrabplus](https://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
           --no-cache --pull -t ${IMAGE}:${META_TAG} --platform=linux/amd64 \
           --provenance=true --sbom=true --builder=container --load \
           --build-arg ${BUILD_VERSION_ARG}=${EXT_RELEASE} --build-arg VERSION=\"${VERSION_TAG}\" --build-arg BUILD_DATE=${GITHUB_DATE} ."
@@ -639,7 +639,7 @@ pipeline {
               --label \"org.opencontainers.image.licenses=GPL-3.0-only\" \
               --label \"org.opencontainers.image.ref.name=${COMMIT_SHA}\" \
               --label \"org.opencontainers.image.title=Webgrabplus\" \
-              --label \"org.opencontainers.image.description=[Webgrabplus](http://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
+              --label \"org.opencontainers.image.description=[Webgrabplus](https://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
               --no-cache --pull -t ${IMAGE}:amd64-${META_TAG} --platform=linux/amd64 \
               --provenance=true --sbom=true --builder=container --load \
               --build-arg ${BUILD_VERSION_ARG}=${EXT_RELEASE} --build-arg VERSION=\"${VERSION_TAG}\" --build-arg BUILD_DATE=${GITHUB_DATE} ."
@@ -698,7 +698,7 @@ pipeline {
               --label \"org.opencontainers.image.licenses=GPL-3.0-only\" \
               --label \"org.opencontainers.image.ref.name=${COMMIT_SHA}\" \
               --label \"org.opencontainers.image.title=Webgrabplus\" \
-              --label \"org.opencontainers.image.description=[Webgrabplus](http://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
+              --label \"org.opencontainers.image.description=[Webgrabplus](https://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.\" \
               --no-cache --pull -f Dockerfile.aarch64 -t ${IMAGE}:arm64v8-${META_TAG} --platform=linux/arm64 \
               --provenance=true --sbom=true --builder=container --load \
               --build-arg ${BUILD_VERSION_ARG}=${EXT_RELEASE} --build-arg VERSION=\"${VERSION_TAG}\" --build-arg BUILD_DATE=${GITHUB_DATE} ."
diff --git a/README.md b/README.md
index 6b96627..29b4739 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,9 @@ Find us at:
 [![Jenkins Build](https://img.shields.io/jenkins/build?labelColor=555555&logoColor=ffffff&style=for-the-badge&jobUrl=https%3A%2F%2Fci.linuxserver.io%2Fjob%2FDocker-Pipeline-Builders%2Fjob%2Fdocker-webgrabplus%2Fjob%2Fmaster%2F&logo=jenkins)](https://ci.linuxserver.io/job/Docker-Pipeline-Builders/job/docker-webgrabplus/job/master/)
 [![LSIO CI](https://img.shields.io/badge/dynamic/yaml?color=94398d&labelColor=555555&logoColor=ffffff&style=for-the-badge&label=CI&query=CI&url=https%3A%2F%2Fci-tests.linuxserver.io%2Flinuxserver%2Fwebgrabplus%2Flatest%2Fci-status.yml)](https://ci-tests.linuxserver.io/linuxserver/webgrabplus/latest/index.html)
 
-[Webgrabplus](http://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.
+[Webgrabplus](https://www.webgrabplus.com) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels.
 
-[![webgrabplus](http://www.webgrabplus.com/sites/default/themes/WgTheme/images/slideshows/EPG_fading.jpg)](http://www.webgrabplus.com)
+[![webgrabplus](https://www.webgrabplus.com/sites/default/themes/WgTheme/images/slideshows/EPG_fading.jpg)](https://www.webgrabplus.com)
 
 ## Supported Architectures
 
@@ -59,7 +59,7 @@ The architectures supported by this image are:
 
 ## Application Setup
 
-To configure WebGrab+Plus follow the [documentation](http://www.webgrabplus.com/documentation/configuration/)
+To configure WebGrab+Plus follow the [documentation](https://www.webgrabplus.com/documentation/configuration/)
 
 **Please note that depending on your host this container may not work with the `no-new-privileges=true` security-opt.**
 
@@ -291,6 +291,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **25.06.24:** - Rebase to Alpine 3.21.
 * **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.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index 646b763..13b1725 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -3,7 +3,7 @@
 # jenkins variables
 project_name: docker-webgrabplus
 external_type: na
-custom_version_command: "curl -fsL 'http://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\\\\1|'"
+custom_version_command: "curl -fsL 'https://webgrabplus.com/download/sw' | grep -m1 '/download/sw/v' | sed -r 's|.*/download/sw/v(.*).>V.*|\\\\1|'"
 release_type: stable
 release_tag: latest
 ls_branch: master
diff --git a/readme-vars.yml b/readme-vars.yml
index a4f6854..af99d81 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -2,8 +2,8 @@
 
 # project information
 project_name: webgrabplus
-project_url: "http://www.webgrabplus.com"
-project_logo: "http://www.webgrabplus.com/sites/default/themes/WgTheme/images/slideshows/EPG_fading.jpg"
+project_url: "https://www.webgrabplus.com"
+project_logo: "https://www.webgrabplus.com/sites/default/themes/WgTheme/images/slideshows/EPG_fading.jpg"
 project_blurb: "[{{ project_name|capitalize }}]({{ project_url }}) is a multi-site incremental xmltv epg grabber. It collects tv-program guide data from selected tvguide sites for your favourite channels."
 project_lsio_github_repo_url: "https://github.com/linuxserver/docker-{{ project_name }}"
 project_categories: "Media Tools"
@@ -24,10 +24,12 @@ 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."}
+readonly_supported: false
+nonroot_supported: false
 # application setup block
 app_setup_block_enabled: true
 app_setup_block: |
-  To configure WebGrab+Plus follow the [documentation](http://www.webgrabplus.com/documentation/configuration/)
+  To configure WebGrab+Plus follow the [documentation](https://www.webgrabplus.com/documentation/configuration/)
 
   **Please note that depending on your host this container may not work with the `no-new-privileges=true` security-opt.**
 
@@ -82,6 +84,7 @@ init_diagram: |
   "webgrabplus:latest" <- Base Images
 # changelog
 changelogs:
+  - {date: "25.06.24:", desc: "Rebase to Alpine 3.21."}
   - {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."}