diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 303f4b6..8fddcc2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,6 +19,7 @@ jobs:
       - name: Build
         run: |
           pip install Cython
+          pip install -r requirements.txt
           python setup.py sdist
           
       - name: Create Release