diff --git a/requirements.txt b/requirements.txt
index 469c346..56500a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ cov-core==1.15.0
 coverage==5.5
 distlib==0.3.1
 execnet==1.8.0
-filelock==3.0.12
+filelock==3.20.1
 iniconfig==1.1.1
 py==1.10.0
 pytest-cov==2.11.1