diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 39e5565f..158ce49d 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -6,11 +6,15 @@ on:
       - "src/**"
       - "tests/**"
       - "**/*.py"
+      - "!src/lpsim/env/**"
+      - "!src/lpsim/network/**"
   pull_request:
     paths:
       - "src/**"
       - "tests/**"
       - "**/*.py"
+      - "!src/lpsim/env/**"
+      - "!src/lpsim/network/**"
   workflow_dispatch:
   workflow_call: