diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 84d7fbe..58cd367 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -22,7 +22,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        yes | pacman -S python python-pip hdf5 limesuite python-build automake gcc pkgconf base-devel
+        yes | pacman -S python python-pip hdf5 limesuite python-build automake gcc pkgconf base-devel expat
 
     - name: Install the package
       run: |
@@ -40,4 +40,4 @@ jobs:
       uses: actions/upload-artifact@v2
       with:
         name: built-package
-        path: dist/
\ No newline at end of file
+        path: dist/