diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9ac44d1..b5d4385 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,6 +33,9 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Check if versions are in sync
+        run: bash .github/workflows/keep_versions_synced.sh
+
       - name: Install dependencies
         run: pip install pre-commit
 
diff --git a/.github/workflows/keep_versions_synced.sh b/.github/workflows/keep_versions_synced.sh
new file mode 100644
index 0000000..96c4aa3
--- /dev/null
+++ b/.github/workflows/keep_versions_synced.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+version_package=$(grep '"prettier": "' package.json | sed -n 's/.*"prettier": "\(.*\)"/\1/p')
+version_hook=$(grep '\- prettier@' .pre-commit-hooks.yaml | sed -n 's/.*prettier@\(.*\)/\1/p')
+
+
+echo "Checking if versions in package.json and .pre-commit-hooks.yaml are in sync."
+
+if [ "${version_package}" != "${version_hook}" ]; then
+  echo "They are out of sync, please resync them."
+  exit 1
+else
+  echo "They are in sync."
+fi