diff --git a/requirements-dev.lock b/requirements-dev.lock
index 90054a47..3ea76249 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -1,17 +1,23 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile pyproject.toml --extra dev -o requirements-dev.lock
-coverage==7.13.0
-    # via pytest-cov
+#    uv pip compile pyproject.toml --extra dev --universal --output-file requirements-dev.lock
+colorama==0.4.6 ; sys_platform == 'win32'
+    # via pytest
 black==24.10.0
     # via my-project (pyproject.toml)
+coverage==7.13.4
+    # via pytest-cov
 iniconfig==2.3.0
     # via pytest
-mypy==1.18.2
+mypy==1.19.1
     # via my-project (pyproject.toml)
 mypy-extensions==1.1.0
     # via mypy
+openpyxl==3.1.5
+    # via my-project (pyproject.toml)
 packaging==25.0
     # via pytest
+pandas==2.2.3
+    # via my-project (pyproject.toml)
 pathspec==0.12.1
     # via mypy
 pydantic==2.7.4
@@ -32,7 +38,7 @@ pytest==9.0.2
     #   pytest-cov
 pytest-cov==7.0.0
     # via my-project (pyproject.toml)
-ruff==0.15.0
+ruff==0.15.1
     # via my-project (pyproject.toml)
 tomlkit==0.13.3
     # via my-project (pyproject.toml)
diff --git a/scripts/langchain/followup_issue_generator.py b/scripts/langchain/followup_issue_generator.py
index 3a47cf8c..f8652168 100755
--- a/scripts/langchain/followup_issue_generator.py
+++ b/scripts/langchain/followup_issue_generator.py
@@ -988,11 +988,11 @@ def _invoke_llm(
 ) -> str:
     """Invoke LLM and return response text."""
     try:
-        from langchain_core import messages as langchain_messages
+        import langchain_core.messages as lc_messages
     except ModuleNotFoundError:
         human_message_cls = None
     else:
-        human_message_cls = getattr(langchain_messages, "HumanMessage", None)
+        human_message_cls = lc_messages.HumanMessage
 
     config = _build_llm_config(
         operation=operation,
diff --git a/tests/test_validate_release_workflow_yaml.py b/tests/test_validate_release_workflow_yaml.py
index 9d104061..a8551ba9 100644
--- a/tests/test_validate_release_workflow_yaml.py
+++ b/tests/test_validate_release_workflow_yaml.py
@@ -35,8 +35,7 @@ def _write_workflow(path: Path, *, extra: str = "") -> None:
           name: release-${{ env.RELEASE_VERSION }}
           path: release/${{ env.RELEASE_VERSION }}/
           retention-days: 7
-"""
-        + extra,
+""" + extra,
         encoding="utf-8",
     )