diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 51103317..b040e103 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -79,7 +79,7 @@ jobs:
         with:
           repository: astro-informatics/sopt.git
           path: sopt
-          ref: master
+          ref: development
 
       - name: Create SOPT package
         run : |