diff --git a/.github/workflows/check-schema.yml b/.github/workflows/check-schema.yml
index f84c23a2..f912215c 100644
--- a/.github/workflows/check-schema.yml
+++ b/.github/workflows/check-schema.yml
@@ -26,6 +26,10 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
+      - name: Set up Python 🐍
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
 
       # if actions version is given install defined versions
       - name: "[optional] Pull reusable 🤖 actions"
diff --git a/requirements/gha-schema.txt b/requirements/gha-schema.txt
index fd7a567c..b86453b6 100644
--- a/requirements/gha-schema.txt
+++ b/requirements/gha-schema.txt
@@ -1 +1 @@
-check-jsonschema ==0.30.*
+check-jsonschema ==0.31.*