diff --git a/Dockerfile b/Dockerfile
index 0b9c495..007eee3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -52,7 +52,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -70,7 +69,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -103,7 +101,7 @@ RUN \
 	perl-xml-writer \
 	pkgconf \
 	pngquant \
-	python2 \
+	python3 \
 	sdl-dev \
 	tar \
 	uriparser-dev \
@@ -183,6 +181,7 @@ RUN \
 	--localstatedir=/var \
 	--mandir=/usr/share/man \
 	--prefix=/usr \
+	--python=python3 \
 	--sysconfdir=/config && \
  make -j 2 && \
  make DESTDIR=/tmp/tvheadend-build install
@@ -220,7 +219,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM ghcr.io/linuxserver/baseimage-alpine:3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15
 
 # set version label
 ARG BUILD_DATE
@@ -263,7 +262,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -280,7 +278,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -312,7 +309,7 @@ RUN \
 	perl-xml-twig \
 	perl-xml-writer \
 	py3-requests \
-	python2 \
+	python3 \
 	tar \
 	uriparser \
 	wget \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index d9c970e..cf2cdf4 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.15 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -51,7 +51,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -69,7 +68,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -102,7 +100,7 @@ RUN \
 	perl-xml-writer \
 	pkgconf \
 	pngquant \
-	python2 \
+	python3 \
 	sdl-dev \
 	tar \
 	uriparser-dev \
@@ -181,6 +179,7 @@ RUN \
 	--localstatedir=/var \
 	--mandir=/usr/share/man \
 	--prefix=/usr \
+	--python=python3 \
 	--sysconfdir=/config && \
  make -j 2 && \
  make DESTDIR=/tmp/tvheadend-build install
@@ -218,7 +217,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.15
 
 # set version label
 ARG BUILD_DATE
@@ -257,7 +256,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -274,7 +272,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -306,7 +303,7 @@ RUN \
 	perl-xml-twig \
 	perl-xml-writer \
 	py3-requests \
-	python2 \
+	python3 \
 	tar \
 	uriparser \
 	wget \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 32f5c4d..b3dddf4 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.12 as buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.15 as buildstage
 ############## build stage ##############
 
 # package versions
@@ -51,7 +51,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -69,7 +68,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -102,7 +100,7 @@ RUN \
 	perl-xml-writer \
 	pkgconf \
 	pngquant \
-	python2 \
+	python3 \
 	sdl-dev \
 	tar \
 	uriparser-dev \
@@ -180,7 +178,9 @@ RUN \
 	--infodir=/usr/share/info \
 	--localstatedir=/var \
 	--mandir=/usr/share/man \
+	--nowerror \
 	--prefix=/usr \
+	--python=python3 \
 	--sysconfdir=/config && \
  make -j 2 && \
  make DESTDIR=/tmp/tvheadend-build install
@@ -218,7 +218,7 @@ RUN \
  make DESTDIR=/tmp/comskip-build install
 
 ############## runtime stage ##############
-FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.12
+FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.15
 
 # set version label
 ARG BUILD_DATE
@@ -257,7 +257,6 @@ RUN \
 	perl-capture-tiny \
 	perl-cgi \
 	perl-compress-raw-zlib \
-	perl-data-dumper \
 	perl-date-manip \
 	perl-datetime \
 	perl-datetime-format-strptime \
@@ -274,7 +273,6 @@ RUN \
 	perl-html-tree \
 	perl-http-cookies \
 	perl-io \
-	perl-io-compress \
 	perl-io-html \
 	perl-io-socket-ssl \
 	perl-io-stringy \
@@ -306,7 +304,7 @@ RUN \
 	perl-xml-twig \
 	perl-xml-writer \
 	py3-requests \
-	python2 \
+	python3 \
 	tar \
 	uriparser \
 	wget \
diff --git a/README.md b/README.md
index f6d6a5d..56acf05 100644
--- a/README.md
+++ b/README.md
@@ -309,7 +309,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
-* **05.01.22:** - Disable execinfo to fix builds. Update xmltv.
+* **05.01.22:** - Rebase to Alpine 3.15. Disable execinfo to fix builds. Update xmltv.
 * **11.05.21:** - Added Intel iHD driver support.
 * **02.06.20:** - Update to Alpine 3.12.
 * **27.12.19:** - Add requests and perl-json-xs package.
diff --git a/patches/cpanfile b/patches/cpanfile
index 02fa44c..349fb96 100644
--- a/patches/cpanfile
+++ b/patches/cpanfile
@@ -1,6 +1,7 @@
 requires 'perl' => '5.24.0';
 
 # perl packages for tvheadend x86
+requires 'Data::Dump' ;
 requires 'DateTime::Format::ISO8601' ;
 requires 'DateTime::Format::SQLite' ;
 requires 'Encode' ;
diff --git a/readme-vars.yml b/readme-vars.yml
index dca4b88..d31ccd9 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -124,7 +124,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
-  - { date: "05.01.22:", desc: "Disable execinfo to fix builds. Update xmltv." }
+  - { date: "05.01.22:", desc: "Rebase to Alpine 3.15. Disable execinfo to fix builds. Update xmltv." }
   - { date: "11.05.21:", desc: "Added Intel iHD driver support." }
   - { date: "02.06.20:", desc: "Update to Alpine 3.12." }
   - { date: "27.12.19:", desc: "Add requests and perl-json-xs package." }