diff --git a/wmt_requirements.txt b/wmt_requirements.txt
index 29a8c03..40f30bc 100644
--- a/wmt_requirements.txt
+++ b/wmt_requirements.txt
@@ -6,7 +6,7 @@ charset-normalizer==3.4.2
 coloredlogs==15.0.1
 contourpy==1.3.2
 cycler==0.12.1
-filelock==3.18.0
+filelock==3.20.3
 flatbuffers==25.2.10
 fonttools==4.58.2
 fsspec==2025.5.1