diff --git a/.github/workflows/validate-flake8.yaml b/.github/workflows/validate-flake8.yaml
index a987c2c..7766130 100644
--- a/.github/workflows/validate-flake8.yaml
+++ b/.github/workflows/validate-flake8.yaml
@@ -5,6 +5,8 @@ on:
     branches:
        - 'main'
   pull_request:
+    paths-ignore:
+      - 'experiental_notebooks/**'
     types:
       - 'opened'
       - 'synchronize'
@@ -27,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4 # changed from v3 to v4
+        uses: actions/checkout@v3
 
       - name: Validate notebooks
         uses: mhitza/flake8-jupyter-notebook@v1.2