diff --git a/Dockerfile b/Dockerfile
index 815f6d3..e9832d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:3.14
+FROM ghcr.io/linuxserver/baseimage-alpine:3.15
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index f834beb..987d35a 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.14
+FROM ghcr.io/linuxserver/baseimage-alpine:arm64v8-3.15
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 05d00b3..d2dce01 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.14
+FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-3.15
 
 # set version label
 ARG BUILD_DATE
diff --git a/readme-vars.yml b/readme-vars.yml
index 76591de..91510aa 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -47,6 +47,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "27.01.22:", desc: "Rebase Develop branch to Alpine 3.15." }
   - { date: "04.01.22:", desc: "Remove cached files." }
   - { date: "10.10.21:", desc: "Add additional post-build cleanup." }
   - { date: "17.06.21:", desc: "Rebase to alpine 3.14." }