diff --git a/python_dependencies/cellguide_pipeline/requirements.txt b/python_dependencies/cellguide_pipeline/requirements.txt
index 673af01ab435c..2af55b3ae110d 100644
--- a/python_dependencies/cellguide_pipeline/requirements.txt
+++ b/python_dependencies/cellguide_pipeline/requirements.txt
@@ -37,5 +37,5 @@ coverage==7.2.7
 pytest==7.4.0
 pytest-subtests==0.11.0
 allure-pytest==2.13.2
-pyarrow==12.0.0
+pyarrow==15.0.2 # another comment for testing
 dask==2023.8.1
diff --git a/python_dependencies/wmg/requirements.txt b/python_dependencies/wmg/requirements.txt
index 38f801bec538f..a50815a1a06f3 100644
--- a/python_dependencies/wmg/requirements.txt
+++ b/python_dependencies/wmg/requirements.txt
@@ -19,7 +19,7 @@ openai==0.27.7
 pandas==2.2.1
 parameterized
 psutil==5.9.5
-pyarrow==12.0.0
+pyarrow==15.0.2 # test comment
 pydantic==1.10.7
 pygraphviz==1.11
 PyMySQL==0.9.3