diff --git a/Dockerfile b/Dockerfile
index c594dc9..279b74f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:3.11 as buildstage
+FROM lsiobase/alpine:3.12 as buildstage
 ############## build stage ##############
 
 # package version
@@ -92,7 +92,7 @@ RUN \
 	>> /tmp/znc/packages
 ############## runtime stage ##############
 
-FROM lsiobase/alpine:3.11
+FROM lsiobase/alpine:3.12
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 4bc098c..03543db 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm64v8-3.11 as buildstage
+FROM lsiobase/alpine:arm64v8-3.12 as buildstage
 ############## build stage ##############
 
 # package version
@@ -92,7 +92,7 @@ RUN \
 	>> /tmp/znc/packages
 ############## runtime stage ##############
 
-FROM lsiobase/alpine:arm64v8-3.11
+FROM lsiobase/alpine:arm64v8-3.12
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 8cb199d..863e28d 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM lsiobase/alpine:arm32v7-3.11 as buildstage
+FROM lsiobase/alpine:arm32v7-3.12 as buildstage
 ############## build stage ##############
 
 # package version
@@ -92,7 +92,7 @@ RUN \
 	>> /tmp/znc/packages
 ############## runtime stage ##############
 
-FROM lsiobase/alpine:arm32v7-3.11
+FROM lsiobase/alpine:arm32v7-3.12
 
 # set version label
 ARG BUILD_DATE
diff --git a/readme-vars.yml b/readme-vars.yml
index 1e307e3..56e2eda 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -52,6 +52,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "01.06.20:", desc: "Rebasing to alpine 3.12." }
   - { date: "19.12.19:", desc: "Rebasing to alpine 3.11." }
   - { date: "02.11.19:", desc: "Add znc-palaver module." }
   - { date: "28.06.19:", desc: "Rebasing to alpine 3.10." }