diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5a0a1a8..86f90c2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -28,7 +28,7 @@ jobs:
 
     - name: install dependencies
       run: |
-        python3 -m pip install pytest pytest-asyncio mocker hypothesis
+        python3 -m pip install pytest pytest-asyncio pytest-mock hypothesis
         python3 -m pip install .
 
     - name: run tests