diff --git a/requirements/py310.yml b/requirements/py310.yml
index f0f8f97eea..a60bbbbccd 100644
--- a/requirements/py310.yml
+++ b/requirements/py310.yml
@@ -43,6 +43,7 @@ dependencies:
   - psutil
   - pytest
   - pytest-cov
+  - pytest-mock
   - pytest-xdist
   - requests
 
diff --git a/requirements/py311.yml b/requirements/py311.yml
index b40e5f75e1..5e396c032e 100644
--- a/requirements/py311.yml
+++ b/requirements/py311.yml
@@ -43,6 +43,7 @@ dependencies:
   - psutil
   - pytest
   - pytest-cov
+  - pytest-mock
   - pytest-xdist
   - requests
 
diff --git a/requirements/py39.yml b/requirements/py39.yml
index 884c568575..d4a7ee704c 100644
--- a/requirements/py39.yml
+++ b/requirements/py39.yml
@@ -42,6 +42,7 @@ dependencies:
   - pre-commit
   - psutil
   - pytest
+  - pytest-mock
   - pytest-xdist
   - requests