diff --git a/.github/workflows/build-epub-release.yml b/.github/workflows/build-epub-release.yml
index 707b092..7c157fd 100644
--- a/.github/workflows/build-epub-release.yml
+++ b/.github/workflows/build-epub-release.yml
@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - master
+    paths:
+      - 'EPUB/**'
   workflow_dispatch:
 
 jobs: