diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6d7e265..2abab5d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 black==26.10.0
 click==8.5.0
 distlib==0.4.3
-filelock==3.32.7
+filelock==4.0.12
 mypy-extensions==1.1.0
 packaging==26.3
 pathspec==1.1.1