diff --git a/tests/utils.py b/tests/utils.py
index d94e108..dd22b2b 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -61,11 +61,11 @@ def _get_responses_method(method: str) -> str:
         matchers: List[Any] = []
         if fixture.get('match_json_params'):
             matchers.append(
-                responses.json_params_matcher(fixture['match_json_params'])
+                responses.json_params_matcher(fixture['match_json_params'])  # type: ignore
             )
         if fixture.get('match_urlencoded_params'):
             matchers.append(
-                responses.urlencoded_params_matcher(
+                responses.urlencoded_params_matcher(  # type: ignore
                     fixture['match_urlencoded_params']
                 )
             )
diff --git a/tox.ini b/tox.ini
index fcd52e0..3aacc1a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,7 @@ deps =
   pytest
   flake8
   responses
+  types-requests
 commands =
   pytest tests {posargs}
   mypy --config-file=tox.ini transip tests