diff --git a/.github/scripts/check_diff.py b/.github/scripts/check_diff.py
index 10dc7ea..a7eec19 100644
--- a/.github/scripts/check_diff.py
+++ b/.github/scripts/check_diff.py
@@ -20,6 +20,8 @@
         if any(
             file.startswith(dir_)
             for dir_ in (
+                "pyproject.toml",
+                "poetry.lock",
                 ".github/workflows",
                 ".github/tools",
                 ".github/actions",
@@ -28,6 +30,7 @@
         ):
             # add all LIB_DIRS for infra changes
             dirs_to_run["test"].update(LIB_DIRS)
+            dirs_to_run["lint"].update(LIB_DIRS)
 
         if any(file.startswith(dir_) for dir_ in LIB_DIRS):
             for dir_ in LIB_DIRS: