diff --git a/detect_secrets/filters/heuristic.py b/detect_secrets/filters/heuristic.py
index 7fb078181..53f846847 100644
--- a/detect_secrets/filters/heuristic.py
+++ b/detect_secrets/filters/heuristic.py
@@ -214,6 +214,7 @@ def is_lock_file(filename: str) -> bool:
         'poetry.lock',
         'Cargo.lock',
         'packages.lock.json',
+        'pnpm-lock.yaml',
     }
 
 
diff --git a/tests/filters/heuristic_filter_test.py b/tests/filters/heuristic_filter_test.py
index 90e1eb0de..49eb7f15e 100644
--- a/tests/filters/heuristic_filter_test.py
+++ b/tests/filters/heuristic_filter_test.py
@@ -149,6 +149,7 @@ def test_is_lock_file():
     # Basic tests
     assert filters.heuristic.is_lock_file('composer.lock')
     assert filters.heuristic.is_lock_file('packages.lock.json')
+    assert filters.heuristic.is_lock_file('pnpm-lock.yaml')
 
     # file path
     assert filters.heuristic.is_lock_file('path/yarn.lock')