diff --git a/.github/workflows/fab-build.yml b/.github/workflows/fab-build.yml
index 432d77064..c90b2dbfa 100644
--- a/.github/workflows/fab-build.yml
+++ b/.github/workflows/fab-build.yml
@@ -4,6 +4,13 @@ on:
   pull_request:
     branches:
       - main
+    paths:
+      - 'src/**'
+      - 'tests/**'
+      - 'pyproject.toml'
+      - 'tox.toml'
+      - 'requirements*.txt'
+      - '.github/workflows/fab-build.yml'
 
 permissions:
     contents: read