diff --git a/Dockerfile b/Dockerfile
index 78d2251..aabe386 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM lsiobase/nginx:3.10
+FROM lsiobase/nginx:3.11
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 1bca3a1..3ff0607 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM lsiobase/nginx:arm64v8-3.10
+FROM lsiobase/nginx:arm64v8-3.11
 
 # set version label
 ARG BUILD_DATE
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 54b715f..6ea2e6c 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM lsiobase/nginx:arm32v7-3.10
+FROM lsiobase/nginx:arm32v7-3.11
 
 # set version label
 ARG BUILD_DATE
diff --git a/readme-vars.yml b/readme-vars.yml
index 22c33a7..89e9594 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -100,6 +100,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "19.12.19:", desc: "Rebasing to alpine 3.11." }
   - { date: "26.07.19:", desc: "Use old version of tidyhtml pending upstream fixes." }
   - { date: "28.06.19:", desc: "Rebasing to alpine 3.10." }
   - { date: "14.06.19:", desc: "Add wkhtmltopdf to image for PDF rendering." }