diff --git a/pyproject.toml b/pyproject.toml
index 87c578ed..da5e7e3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ maintainers = [
 ]
 dependencies = [
     "eligibility-api==2025.4.1",
-    "Flask==3.1.0",
+    "Flask==3.1.1",
     "Flask-RESTful==0.3.10",
     "Flask-SQLAlchemy==3.1.1",
     "requests==2.32.3",