diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e2458c953..c53ee71065 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          sudo apt-get install libcairo2-dev libgirepository1.0-dev
+          sudo apt-get install libcairo2-dev libgirepository1.0-dev pygobject
           pip install --upgrade pip wheel setuptools
           pip install -r requirements-ci.txt
           pip install -e .
diff --git a/setup.py b/setup.py
index 0bb8e92d70..71a3d42c82 100755
--- a/setup.py
+++ b/setup.py
@@ -546,6 +546,7 @@ def run(self):
     #   https://github.com/pypa/setuptools/issues/1510
     'pyasn1',
     'rencode',
+    'gi',
     'pyopenssl',
     'pyxdg',
     'mako',