diff --git a/requirements/linting.txt b/requirements/linting.txt
index 4dd1c3c..7981352 100644
--- a/requirements/linting.txt
+++ b/requirements/linting.txt
@@ -2,4 +2,4 @@
 # (linters and static type checkers)
 # Those are used for monggregate contributors
 
-mypy==0.971
+mypy==1.6.1
diff --git a/tests/test_docstrings.py b/tests/test_docstrings.py
index 1ca5283..ff7156c 100644
--- a/tests/test_docstrings.py
+++ b/tests/test_docstrings.py
@@ -65,6 +65,8 @@ def test_sync_docstrings()->None:
     # --------------------------------------
     stages_members = stages.__dict__ # mapping between member name and members of the package
                                      # which can be functions, variables or classes
+    stages_members.pop("AnyStage")
+    stages_members.pop("Union")
 
 
     # Filtering non-classes stages members