diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index dcb2bc5..541123f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,5 +39,14 @@ repos:
   rev: v1.10.0
   hooks:
   - id: mypy
-    additional_dependencies: [types-all, arrow>=1, "boto3-stubs[boto3,s3]", "moto[s3]", pytest, rich, typing_extensions>=4.4]
+    additional_dependencies:
+    # primary dependencies (corresponds to pyproject.toml)
+    - arrow>=1,<2
+    - backports-zoneinfo; python_version<'3.9'
+    - boto3-stubs[boto3,s3]>=1,<2
+    - rich>=13,<14
+    - typing-extensions>=4.4,<5
+    # test dependencies (corresponds to test-requirements.txt)
+    - moto[s3]>=5,<6
+    - pytest>=8,<9
     args: []
diff --git a/tests/commands/run/describe_time_span_test.py b/tests/commands/run/describe_time_span_test.py
index 28b78ec..d7791d4 100644
--- a/tests/commands/run/describe_time_span_test.py
+++ b/tests/commands/run/describe_time_span_test.py
@@ -10,7 +10,8 @@
 if sys.version_info >= (3, 9):  # pragma: >=3.9 cover
     from zoneinfo import ZoneInfo
 else:  # pragma: <3.9 cover
-    from backports.zoneinfo import ZoneInfo
+    # https://github.com/pganssle/zoneinfo/issues/125
+    from backports.zoneinfo._zoneinfo import ZoneInfo
 
 
 @pytest.mark.parametrize(
diff --git a/tests/preservation/policy_test.py b/tests/preservation/policy_test.py
index 47fc28b..11bb6ed 100644
--- a/tests/preservation/policy_test.py
+++ b/tests/preservation/policy_test.py
@@ -16,7 +16,8 @@
 if sys.version_info >= (3, 9):  # pragma: >=3.9 cover
     from zoneinfo import ZoneInfo
 else:  # pragma: <3.9 cover
-    from backports.zoneinfo import ZoneInfo
+    # https://github.com/pganssle/zoneinfo/issues/125
+    from backports.zoneinfo._zoneinfo import ZoneInfo
 
 
 def _random_timestamp() -> float: