diff --git a/sdks/python/container/ml/py311/base_image_requirements.txt b/sdks/python/container/ml/py311/base_image_requirements.txt
index 3c1fcaaad9be..e2d4ba37dee3 100644
--- a/sdks/python/container/ml/py311/base_image_requirements.txt
+++ b/sdks/python/container/ml/py311/base_image_requirements.txt
@@ -52,7 +52,7 @@ docstring_parser==0.17.0
 execnet==2.1.2
 fastavro==1.12.1
 fasteners==0.20
-filelock==3.20.0
+filelock==3.20.1
 flatbuffers==25.9.23
 freezegun==1.5.5
 frozenlist==1.8.0
diff --git a/sdks/python/container/ml/py311/gpu_image_requirements.txt b/sdks/python/container/ml/py311/gpu_image_requirements.txt
index a4e171b29822..2b285cd700dc 100644
--- a/sdks/python/container/ml/py311/gpu_image_requirements.txt
+++ b/sdks/python/container/ml/py311/gpu_image_requirements.txt
@@ -69,7 +69,7 @@ fastar==0.8.0
 fastavro==1.12.1
 fasteners==0.20
 fastrlock==0.8.3
-filelock==3.20.0
+filelock==3.20.1
 flatbuffers==25.9.23
 freezegun==1.5.5
 frozenlist==1.8.0