diff --git a/.github/workflows/external_rc.yml b/.github/workflows/external_rc.yml
index 6009907..0305142 100644
--- a/.github/workflows/external_rc.yml
+++ b/.github/workflows/external_rc.yml
@@ -27,7 +27,7 @@ jobs:
       run: pip install .[test]
 
     - name: Install RC dependency
-      run: pip install -pre -i https://test.pypi.org/simple/  --extra-index-url https://pypi.org/simple/ ${{ matrix.rc-package }}
+      run: pip install --pre -i https://test.pypi.org/simple/  --extra-index-url https://pypi.org/simple/ ${{ matrix.rc-package }}
 
     - name: Set up pysat
       run: |