diff --git a/requirements.txt b/requirements.txt
index 580d6c9..ae976b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ docstring-parser==0.16
 einops==0.8.1
 etils==1.12.2
 fiddle==0.3.0
-filelock==3.18.0
+filelock==3.20.1
 flatbuffers==25.2.10
 flax==0.10.5
 fsspec==2025.3.2