diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5077a71b..7927af0e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [21.12.6](https://github.com/renovatebot/github-action/compare/v21.12.4...v21.12.6) (2020-06-19)
+
+
+### Bug Fixes
+
+* **deps:** update renovate/renovate docker tag to v21.12.6 ([#129](https://github.com/renovatebot/github-action/issues/129)) ([bcf0663](https://github.com/renovatebot/github-action/commit/bcf066390d5d3ec6745b153d2aaa83565d11695c))
+
 ### [21.12.4](https://github.com/renovatebot/github-action/compare/v21.12.3...v21.12.4) (2020-06-17)
 
 
diff --git a/dist/index.js b/dist/index.js
index 026e838a..9aca5ae5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1061,7 +1061,7 @@ class Docker {
     constructor() {
         this.repository = 'renovate/renovate';
         // renovate: datasource=docker depName=renovate/renovate versioning=docker
-        this.tag = '21.12.4-slim';
+        this.tag = '21.12.6-slim';
         this.tagSuffix = '-slim';
     }
     image() {
diff --git a/package-lock.json b/package-lock.json
index a58bba43..dc54a7da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "github-action",
-  "version": "21.12.4",
+  "version": "21.12.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 92d0d73b..59b58403 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "github-action",
-  "version": "21.12.4",
+  "version": "21.12.6",
   "description": "GitHub Action to run Renovate self-hosted.",
   "private": true,
   "main": "src/index.ts",