diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fdfa433..640cf03 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,6 @@ on:
     branches:
       - "*"
       - "!main"
-      - "!book"
     paths-ignore:
       - '**.md'
   pull_request: