diff --git a/.changes/unreleased/Dependencies-20231010-195348.yaml b/.changes/unreleased/Dependencies-20231010-195348.yaml
new file mode 100644
index 000000000..4e8af02c1
--- /dev/null
+++ b/.changes/unreleased/Dependencies-20231010-195348.yaml
@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Bump mypy from 1.5.1 to 1.6.0"
+time: 2023-10-10T19:53:48.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 629
diff --git a/.changes/unreleased/Dependencies-20231013-190517.yaml b/.changes/unreleased/Dependencies-20231013-190517.yaml
new file mode 100644
index 000000000..8db17538a
--- /dev/null
+++ b/.changes/unreleased/Dependencies-20231013-190517.yaml
@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update pre-commit requirement from ~=3.4 to ~=3.5"
+time: 2023-10-13T19:05:17.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 634
diff --git a/.changes/unreleased/Dependencies-20231017-191545.yaml b/.changes/unreleased/Dependencies-20231017-191545.yaml
new file mode 100644
index 000000000..407615e32
--- /dev/null
+++ b/.changes/unreleased/Dependencies-20231017-191545.yaml
@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update black requirement from ~=23.9 to ~=23.10"
+time: 2023-10-17T19:15:45.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 636
diff --git a/.changes/unreleased/Fixes-20231025-203732.yaml b/.changes/unreleased/Fixes-20231025-203732.yaml
new file mode 100644
index 000000000..9e6bf1af7
--- /dev/null
+++ b/.changes/unreleased/Fixes-20231025-203732.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix parsing of database results for materialized view auto refresh
+time: 2023-10-25T20:37:32.191259-04:00
+custom:
+  Author: mikealfare
+  Issue: "643"
diff --git a/dbt/adapters/redshift/relation_configs/materialized_view.py b/dbt/adapters/redshift/relation_configs/materialized_view.py
index 1c6fb229a..44e18e3ac 100644
--- a/dbt/adapters/redshift/relation_configs/materialized_view.py
+++ b/dbt/adapters/redshift/relation_configs/materialized_view.py
@@ -182,10 +182,14 @@ def parse_relation_results(cls, relation_results: RelationResults) -> dict:
             "mv_name": materialized_view.get("table"),
             "schema_name": materialized_view.get("schema"),
             "database_name": materialized_view.get("database"),
-            "autorefresh": materialized_view.get("autorefresh"),
             "query": cls._parse_query(query.get("definition")),
         }
 
+        autorefresh_value = materialized_view.get("autorefresh")
+        if autorefresh_value is not None:
+            bool_filter = {"t": True, "f": False}
+            config_dict["autorefresh"] = bool_filter.get(autorefresh_value, autorefresh_value)
+
         # the default for materialized views differs from the default for diststyle in general
         # only set it if we got a value
         if materialized_view.get("diststyle"):
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4b3b09cda..e254bf52c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -6,7 +6,7 @@ git+https://github.com/dbt-labs/dbt-core.git#egg=dbt-postgres&subdirectory=plugi
 
 # if version 1.x or greater -> pin to major version
 # if version 0.x -> pin to minor
-black~=23.9
+black~=23.10
 bumpversion~=0.6.0
 click~=8.1
 ddtrace~=1.19
@@ -14,9 +14,9 @@ flake8~=6.1
 flaky~=3.7
 freezegun~=1.2
 ipdb~=0.13.13
-mypy==1.5.1  # patch updates have historically introduced breaking changes
+mypy==1.6.0  # patch updates have historically introduced breaking changes
 pip-tools~=7.3
-pre-commit~=3.4
+pre-commit~=3.5
 pre-commit-hooks~=4.4
 pytest~=7.4
 pytest-csv~=3.0
diff --git a/tests/functional/adapter/materialized_view_tests/test_materialized_views.py b/tests/functional/adapter/materialized_view_tests/test_materialized_views.py
index cf7d433c7..d2bf1cda4 100644
--- a/tests/functional/adapter/materialized_view_tests/test_materialized_views.py
+++ b/tests/functional/adapter/materialized_view_tests/test_materialized_views.py
@@ -163,19 +163,6 @@ def test_change_is_applied_via_alter_str_true(self, project, my_materialized_vie
         assert_message_in_logs(f"Applying ALTER to: {my_materialized_view}", logs)
         assert_message_in_logs(f"Applying REPLACE to: {my_materialized_view}", logs, False)
 
-    def test_change_is_applied_via_alter_str_false(self, project, my_materialized_view):
-        self.check_start_state(project, my_materialized_view)
-
-        self.change_config_via_alter_str_false(project, my_materialized_view)
-        _, logs = run_dbt_and_capture_with_retries_redshift_mv(
-            ["--debug", "run", "--models", my_materialized_view.name]
-        )
-
-        self.check_state_alter_change_is_applied_str_false(project, my_materialized_view)
-
-        assert_message_in_logs(f"Applying ALTER to: {my_materialized_view}", logs)
-        assert_message_in_logs(f"Applying REPLACE to: {my_materialized_view}", logs, False)
-
     def test_change_is_applied_via_replace(self, project, my_materialized_view):
         self.check_start_state(project, my_materialized_view)