diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ae9e20e..b26b6ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - main
+  schedule:
+    - cron: '15 3 * * 1'
 jobs:
   php-lint:
     name: "PHP linter"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c125a5f..33278c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## x.y.z
 
 ### Added
+- Also run the CI build once a week (#160)
 - Run the functional tests via GitHub Actions (#55)
 - Cache Composer dependencies in build (#31)
 - Add a status badge for GitHub actions (#32)