diff --git a/pyproject.toml b/pyproject.toml
index b4253a9..b3142ba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 repository = "https://github.com/VectorInstitute/implementation-catalog"
 requires-python = ">=3.12"
 dependencies = [
-    "filelock==3.20.1",
+    "filelock==3.20.3",
     "pyyaml>=6.0.2",
     "urllib3==2.6.0",
 ]