diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3f1de1f6..84217b4b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -136,7 +136,7 @@ jobs:
           python3 ratarmount.py README.md || [ $? != 139 ]
           python3 -m pip uninstall --yes "$module"
         done
-        python3 -m pip install --upgrade 'git+https://github.com/mxmlnkn/indexed_bzip2.git@master#egginfo=rapidgzip&subdirectory=python/rapidgzip'
+        python3 -m pip install --upgrade 'git+https://github.com/mxmlnkn/indexed_bzip2.git@master#egginfo=develop&subdirectory=python/rapidgzip'
 
     - name: Test ratarmountcore Installation From Tarball
       working-directory: core