diff --git a/.github/scripts/validate_files.py b/.github/scripts/validate_files.py
index 7feb2a2..f093269 100644
--- a/.github/scripts/validate_files.py
+++ b/.github/scripts/validate_files.py
@@ -54,6 +54,7 @@ def main():
     parser.add_argument('--directory', '-d', default='.', help='Directory to scan for files')
     parser.add_argument('--check-json', action='store_true', help='Check JSON files')
     parser.add_argument('--check-yaml', action='store_true', help='Check YAML files')
+    parser.add_argument('--changed-files', nargs='*', help='List of changed files to validate')
     
     args = parser.parse_args()
     
@@ -62,17 +63,26 @@ def main():
     
     all_valid = True
     
-    if args.check_json:
-        json_files = find_files(args.directory, '.json')
-        print(f"Found {len(json_files)} JSON files")
+    # If changed files are provided, filter them by extension
+    if args.changed_files:
+        json_files = [f for f in args.changed_files if f.endswith('.json')]
+        yaml_files = [f for f in args.changed_files if f.endswith('.yaml') or f.endswith('.yml')]
+    else:
+        # Otherwise, find all files in directory
+        json_files = find_files(args.directory, '.json') if args.check_json else []
+        yaml_files = []
+        if args.check_yaml:
+            yaml_files = find_files(args.directory, '.yaml')
+            yaml_files += find_files(args.directory, '.yml')
+    
+    if args.check_json and json_files:
+        print(f"Found {len(json_files)} JSON files to validate")
         for file_path in json_files:
             if not validate_json(file_path):
                 all_valid = False
     
-    if args.check_yaml:
-        yaml_files = find_files(args.directory, '.yaml')
-        yaml_files += find_files(args.directory, '.yml')
-        print(f"Found {len(yaml_files)} YAML files")
+    if args.check_yaml and yaml_files:
+        print(f"Found {len(yaml_files)} YAML files to validate")
         for file_path in yaml_files:
             if not validate_yaml(file_path):
                 all_valid = False
diff --git a/.github/workflows/code-review.yml b/.github/workflows/code-review.yml
index c00eaee..70c682d 100644
--- a/.github/workflows/code-review.yml
+++ b/.github/workflows/code-review.yml
@@ -13,6 +13,15 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v45
+        with:
+          files: |
+            **/*.json
+            **/*.yaml
+            **/*.yml
+
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -25,4 +34,9 @@ jobs:
 
       - name: Validate JSON and YAML files
         run: |
-          python .github/scripts/validate_files.py --directory . --check-json --check-yaml
\ No newline at end of file
+          if [ "${{ steps.changed-files.outputs.any_changed }}" = "true" ]; then
+            echo "Changed files: ${{ steps.changed-files.outputs.all_changed_files }}"
+            python .github/scripts/validate_files.py --changed-files ${{ steps.changed-files.outputs.all_changed_files }} --check-json --check-yaml
+          else
+            echo "No JSON or YAML files changed"
+          fi
\ No newline at end of file