diff --git a/requirements/in/constraints.in b/requirements/in/constraints.in
index 3c9d550..b06d8a1 100644
--- a/requirements/in/constraints.in
+++ b/requirements/in/constraints.in
@@ -18,7 +18,7 @@ charset-normalizer>=3.4.0,<4.0.0
 colorama>=0.4.6,<1.0.0
 
 # Used for platform-independent file locking; required by joblib, pytest, and other tools needing concurrency-safe file access.
-filelock>=3.19.0,<4.0.0
+filelock>=4.0.5,<5.0.0
 
 # Handles Internationalized Domain Names; indirect dependency of requests, urllib3, and other networking libraries.
 idna>=3.10,<4.0.0