diff --git a/pyproject.toml b/pyproject.toml
index 4269ba1..8ab4724 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ keywords = ["BioSim", "Molecular Dynamics", "Metadata"]
 # include extractor and schema? as dependencies
 dependencies = [
     "Flask==3.1.3",
-    "Werkzeug==3.1.8",
+    "Werkzeug==3.1.9",
     "data-collections-api==0.1.0",
     "MDAnalysis==2.10.0",
     "python-dotenv==1.2.3",