diff --git a/pyproject.toml b/pyproject.toml
index fa155bb..610d39b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
     "colorcet~=3.1.0",
     "convertbng~=0.7.5",
     "farama-notifications==0.0.4",
-    "filelock==3.18.0",
+    "filelock==3.20.1",
     "frozenlist==1.5.0",
     "gymnasium==1.1.1",
     "idna==3.10",
diff --git a/requirements.txt b/requirements.txt
index 9eb8db2..dc90450 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ charset-normalizer==3.4.1
 click==8.1.8
 cloudpickle==3.1.1
 Farama-Notifications==0.0.4
-filelock==3.18.0
+filelock==3.20.1
 frozenlist==1.5.0
 gym==0.26.2
 gym-notices==0.0.8