diff --git a/workflow/environments/org/nesi/mahuika_python3_requirements.txt b/workflow/environments/org/nesi/mahuika_python3_requirements.txt
index b1dfae82..2ebd9fb4 100644
--- a/workflow/environments/org/nesi/mahuika_python3_requirements.txt
+++ b/workflow/environments/org/nesi/mahuika_python3_requirements.txt
@@ -1,6 +1,6 @@
 absl-py
 astor
-filelock==3.4.2
+filelock==3.20.3
 cycler
 gast
 grpcio