diff --git a/requirements/dev.txt b/requirements/dev.txt
index 681d75f..0bc670b 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,4 +2,4 @@
 black==22.8.0
 pylint==2.15.0
 pytest==7.1.3
-mypy==0.971
\ No newline at end of file
+mypy
diff --git a/src/models.py b/src/models.py
index ae0ac12..d750c6c 100644
--- a/src/models.py
+++ b/src/models.py
@@ -49,8 +49,8 @@ def for_day(cls, day: date) -> TimeWindow:
     def as_query_parameters(self) -> list[QueryParameter]:
         """Dune query parameters defined by the start and end of the window"""
         return [
-            QueryParameter.date_type(name="StartTime", value=self.start),
-            QueryParameter.date_type(name="EndTime", value=self.end),
+            QueryParameter.date_type(name="start_time", value=self.start),
+            QueryParameter.date_type(name="end_time", value=self.end),
         ]
 
     def next(self) -> TimeWindow:
diff --git a/tests/e2e/test_query_runner.py b/tests/e2e/test_query_runner.py
index ae41f0f..7651254 100644
--- a/tests/e2e/test_query_runner.py
+++ b/tests/e2e/test_query_runner.py
@@ -18,7 +18,8 @@ def test_query_runner(self, mocked_post):
         query = load_config(filepath("v2-test-data.yaml")).query
         dune = DuneClient(os.environ["DUNE_API_KEY"])
         slack_client = BasicSlackClient(token="Fake Token", channel="Fake Channel")
-        query_runner = QueryRunner(query, dune, slack_client)
+        ping_frequency = 10
+        query_runner = QueryRunner(query, dune, slack_client, ping_frequency)
         query_runner.run_loop()
         mocked_post.assert_called_with(
             f"{query.name} - detected 1 cases. Results available at {query.result_url()}"
@@ -30,7 +31,8 @@ def test_v3_query(self, mocked_post):
         query = load_config(filepath("v3-left-bounded.yaml")).query
         dune = DuneClient(os.environ["DUNE_API_KEY"])
         slack_client = BasicSlackClient(token="Fake Token", channel="Fake Channel")
-        query_runner = QueryRunner(query, dune, slack_client)
+        ping_frequency = 10
+        query_runner = QueryRunner(query, dune, slack_client, ping_frequency)
         query_runner.run_loop()
         mocked_post.assert_called_with(
             f"{query.name} - detected 1 cases. Results available at {query.result_url()}"
@@ -42,7 +44,8 @@ def test_v3_last_hour(self, mocked_post):
         query = load_config(filepath("v3-last-hour.yaml")).query
         dune = DuneClient(os.environ["DUNE_API_KEY"])
         slack_client = BasicSlackClient(token="Fake Token", channel="Fake Channel")
-        query_runner = QueryRunner(query, dune, slack_client)
+        ping_frequency = 10
+        query_runner = QueryRunner(query, dune, slack_client, ping_frequency)
         query_runner.run_loop()
         mocked_post.assert_called_with(
             f"{query.name} - detected 1 cases. Results available at {query.result_url()}"
diff --git a/tests/unit/test_models.py b/tests/unit/test_models.py
index effd984..d4057fb 100644
--- a/tests/unit/test_models.py
+++ b/tests/unit/test_models.py
@@ -67,9 +67,9 @@ def test_as_query_params(self):
         self.assertEqual(
             window.as_query_parameters(),
             [
-                QueryParameter.date_type(name="StartTime", value=self.start),
+                QueryParameter.date_type(name="start_time", value=self.start),
                 QueryParameter.date_type(
-                    name="EndTime", value=self.start + timedelta(hours=window.length)
+                    name="end_time", value=self.start + timedelta(hours=window.length)
                 ),
             ],
         )