diff --git a/pyproject.toml b/pyproject.toml
index fed3923..33b63ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "boto3==1.43.97",
     "requests==2.34.2",
     "Flask==3.1.3",
-    "Werkzeug==3.1.8",
+    "Werkzeug==3.1.9",
     "redis==8.1.0",
     "python-dotenv==1.2.3",
     "apiflask==3.1.2",
diff --git a/requirements-dev.txt b/requirements-dev.txt
index d984ee4..21742cc 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -245,7 +245,7 @@ wcwidth==0.8.4
     #   prompt-toolkit
 webargs==8.7.1
     # via apiflask
-werkzeug==3.1.8
+werkzeug==3.1.9
     # via
     #   flask
     #   moto
diff --git a/requirements.txt b/requirements.txt
index 397703e..0a9463c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -198,7 +198,7 @@ wcwidth==0.8.4
     #   prompt-toolkit
 webargs==8.7.1
     # via apiflask
-werkzeug==3.1.8
+werkzeug==3.1.9
     # via
     #   flask
     #   ro-crate-validation-service (pyproject.toml)