diff --git a/.github/workflows/yaml-normalization.yml b/.github/workflows/yaml-normalization.yml
new file mode 100644
index 00000000..d9d42125
--- /dev/null
+++ b/.github/workflows/yaml-normalization.yml
@@ -0,0 +1,27 @@
+name: YAML normalization
+on:
+  push:
+    paths:
+      - 'data/**.yaml'
+    branches:
+      - main
+  pull_request:
+    paths:
+      - 'data/**.yaml'
+    branches:
+      - main
+jobs:
+  ensure-yaml-normalization:
+    name: Ensure YAML files are normalized
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Setup yq'
+        uses: dcarbone/install-yq-action@v1.1.1
+        with:
+          version: "v4.35.1"
+          download-compressed: true
+      - uses: actions/checkout@v3
+      - name: Normalize
+        run: |
+          scripts/normalize-all-yaml.sh
+          git diff --name-only --exit-code
diff --git a/data/recipes.yaml b/data/recipes.yaml
index bd1ef2f3..35a5d63c 100644
--- a/data/recipes.yaml
+++ b/data/recipes.yaml
@@ -205,7 +205,6 @@
 #########################################
 ##                 METAL               ##
 #########################################
-
 ## VEINS
 - in:
     - [1, mountain]
diff --git a/scripts/normalize-all-scenarios.sh b/scripts/normalize-all-scenarios.sh
deleted file mode 100755
index 4db1b10a..00000000
--- a/scripts/normalize-all-scenarios.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash -e
-
-SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
-cd $SCRIPT_DIR/..
-
-find data/scenarios -type f -name '*.yaml' -print0 | xargs -0 --max-args 1 yq --inplace
diff --git a/scripts/normalize-all-yaml.sh b/scripts/normalize-all-yaml.sh
new file mode 100755
index 00000000..265112ec
--- /dev/null
+++ b/scripts/normalize-all-yaml.sh
@@ -0,0 +1,8 @@
+#!/bin/bash -e
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd $SCRIPT_DIR/..
+
+find data -type f -name '*.yaml' -print0 | xargs -0 --max-args 1 sed -i -e 's/[[:blank:]]\+$//'
+
+find data -type f -name '*.yaml' -print0 | xargs -0 --max-args 1 yq --inplace