diff --git a/.editorconfig b/.editorconfig
old mode 100755
new mode 100644
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
old mode 100755
new mode 100644
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
old mode 100755
new mode 100644
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
old mode 100755
new mode 100644
diff --git a/.github/ISSUE_TEMPLATE/issue.bug.yml b/.github/ISSUE_TEMPLATE/issue.bug.yml
old mode 100755
new mode 100644
diff --git a/.github/ISSUE_TEMPLATE/issue.feature.yml b/.github/ISSUE_TEMPLATE/issue.feature.yml
old mode 100755
new mode 100644
diff --git a/.github/workflows/call_issue_pr_tracker.yml b/.github/workflows/call_issue_pr_tracker.yml
old mode 100755
new mode 100644
diff --git a/.github/workflows/call_issues_cron.yml b/.github/workflows/call_issues_cron.yml
old mode 100755
new mode 100644
diff --git a/.github/workflows/permissions.yml b/.github/workflows/permissions.yml
old mode 100755
new mode 100644
diff --git a/Dockerfile b/Dockerfile
index 6c81fcd..ee2e20f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 
 FROM ghcr.io/linuxserver/unrar:latest as unrar
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.19
+FROM ghcr.io/linuxserver/baseimage-ubuntu:jammy
 
 # set version label
 ARG BUILD_DATE
@@ -11,22 +11,25 @@ ARG MYLAR3_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
 LABEL maintainer="aptalca"
 
+ARG DEBIAN_FRONTEND="noninteractive"
+
 RUN \
   echo "**** install build dependencies ****" && \
-  apk add --no-cache --virtual=build-dependencies \
-    build-base \
-    jpeg-dev \
+  apt-get update && \
+  apt-get install -y --no-install-recommends \
+    build-essential \
     libffi-dev \
+    libjpeg9-dev \
     libwebp-dev \
     python3-dev \
-    zlib-dev && \
+    zlib1g-dev && \
   echo "**** install runtime packages ****" && \
-  apk add --no-cache \
-    jpeg \
-    libwebp-tools \
+  apt-get install -y --no-install-recommends \
+    libjpeg9 \
     nodejs \
-    python3 \
-    zlib && \
+    python3-venv \
+    webp \
+    zlib1g-dev && \
   echo "**** install mylar3 ****" && \
   if [ -z ${MYLAR3_RELEASE+x} ]; then \
     MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/releases/latest \
@@ -43,19 +46,28 @@ RUN \
   pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip install --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.19/ -r requirements.txt && \
+  pip install --no-cache-dir --find-links https://wheel-index.linuxserver.io/ubuntu/ -r requirements.txt && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
-  apk del --purge \
-    build-dependencies && \
+  apt-get -y purge \
+    build-essential \
+    libffi-dev \
+    libjpeg9-dev \
+    libwebp-dev \
+    python3-dev \
+    zlib1g-dev && \
+  apt-get -y autoremove && \
   rm -rf \
-    /root/.cache \
-    /tmp/*
+    /tmp/* \
+    /var/lib/apt/lists/* \
+    /var/tmp/* \
+    $HOME/.cache
 
 # add local files
 COPY root/ /
 
 # add unrar
-COPY --from=unrar /usr/bin/unrar-alpine /usr/bin/unrar
+COPY --from=unrar /usr/bin/unrar-ubuntu /usr/bin/unrar
 
 # ports and volumes
 VOLUME /config
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index e4df223..6c02b0a 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -2,7 +2,7 @@
 
 FROM ghcr.io/linuxserver/unrar:arm64v8-latest as unrar
 
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.19
+FROM ghcr.io/linuxserver/baseimage-ubuntu:arm64v8-jammy
 
 # set version label
 ARG BUILD_DATE
@@ -11,22 +11,25 @@ ARG MYLAR3_RELEASE
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
 LABEL maintainer="aptalca"
 
+ARG DEBIAN_FRONTEND="noninteractive"
+
 RUN \
   echo "**** install build dependencies ****" && \
-  apk add --no-cache --virtual=build-dependencies \
-    build-base \
-    jpeg-dev \
+  apt-get update && \
+  apt-get install -y --no-install-recommends \
+    build-essential \
     libffi-dev \
+    libjpeg9-dev \
     libwebp-dev \
     python3-dev \
-    zlib-dev && \
+    zlib1g-dev && \
   echo "**** install runtime packages ****" && \
-  apk add --no-cache \
-    jpeg \
-    libwebp-tools \
+  apt-get install -y --no-install-recommends \
+    libjpeg9 \
     nodejs \
-    python3 \
-    zlib && \
+    python3-venv \
+    webp \
+    zlib1g-dev && \
   echo "**** install mylar3 ****" && \
   if [ -z ${MYLAR3_RELEASE+x} ]; then \
     MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/releases/latest \
@@ -43,19 +46,28 @@ RUN \
   pip install -U --no-cache-dir \
     pip \
     wheel && \
-  pip install --no-cache-dir --find-links https://wheel-index.linuxserver.io/alpine-3.19/ -r requirements.txt && \
+  pip install --no-cache-dir --find-links https://wheel-index.linuxserver.io/ubuntu/ -r requirements.txt && \
+  printf "Linuxserver.io version: ${VERSION}\nBuild-date: ${BUILD_DATE}" > /build_version && \
   echo "**** cleanup ****" && \
-  apk del --purge \
-    build-dependencies && \
+  apt-get -y purge \
+    build-essential \
+    libffi-dev \
+    libjpeg9-dev \
+    libwebp-dev \
+    python3-dev \
+    zlib1g-dev && \
+  apt-get -y autoremove && \
   rm -rf \
-    /root/.cache \
-    /tmp/*
+    /tmp/* \
+    /var/lib/apt/lists/* \
+    /var/tmp/* \
+    $HOME/.cache
 
 # add local files
 COPY root/ /
 
 # add unrar
-COPY --from=unrar /usr/bin/unrar-alpine /usr/bin/unrar
+COPY --from=unrar /usr/bin/unrar-ubuntu /usr/bin/unrar
 
 # ports and volumes
 VOLUME /config
diff --git a/Jenkinsfile b/Jenkinsfile
index 5058557..a9b6169 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -29,7 +29,7 @@ pipeline {
     DOCKERHUB_IMAGE = 'linuxserver/mylar3'
     DEV_DOCKERHUB_IMAGE = 'lsiodev/mylar3'
     PR_DOCKERHUB_IMAGE = 'lspipepr/mylar3'
-    DIST_IMAGE = 'alpine'
+    DIST_IMAGE = 'ubuntu'
     MULTIARCH='true'
     CI='true'
     CI_WEB='true'
diff --git a/README.md b/README.md
index 04325e9..e82cafa 100644
--- a/README.md
+++ b/README.md
@@ -288,6 +288,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **21.11.25:** - Rebase to Ubuntu Jammy.
 * **23.12.23:** - Rebase to Alpine 3.19.
 * **16.08.23:** - Install unrar from [linuxserver repo](https://github.com/linuxserver/docker-unrar).
 * **10.08.23:** - Bump unrar to 6.2.10.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index 0bb614e..ea2e284 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -17,7 +17,7 @@ repo_vars:
   - DOCKERHUB_IMAGE = 'linuxserver/mylar3'
   - DEV_DOCKERHUB_IMAGE = 'lsiodev/mylar3'
   - PR_DOCKERHUB_IMAGE = 'lspipepr/mylar3'
-  - DIST_IMAGE = 'alpine'
+  - DIST_IMAGE = 'ubuntu'
   - MULTIARCH='true'
   - CI='true'
   - CI_WEB='true'
diff --git a/readme-vars.yml b/readme-vars.yml
index 4907df6..76274b8 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -79,6 +79,7 @@ init_diagram: |
   "mylar3:latest" <- Base Images
 # changelog
 changelogs:
+  - {date: "21.11.25:", desc: "Rebase to Ubuntu Jammy."}
   - {date: "23.12.23:", desc: "Rebase to Alpine 3.19."}
   - {date: "16.08.23:", desc: "Install unrar from [linuxserver repo](https://github.com/linuxserver/docker-unrar)."}
   - {date: "10.08.23:", desc: "Bump unrar to 6.2.10."}