diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7cc2cb6a..ea6a52eb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  RENOVATE_VERSION: 42.20.1 # renovate: datasource=docker depName=renovate packageName=ghcr.io/renovatebot/renovate
+  RENOVATE_VERSION: 42.21.0 # renovate: datasource=docker depName=renovate packageName=ghcr.io/renovatebot/renovate
 
 jobs:
   prepare: