diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index a1f5392..825651c 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -11,7 +11,7 @@ requires-python = ">=3.10"
 dependencies = [
     "fastapi==0.112.0",
     "uvicorn[standard]==0.30.6",
-    "pydantic==2.8.2",
+    "pydantic==2.13.5",
     "pydantic-settings==2.3.4",
     "email-validator==2.2.0",
     "python-multipart==0.0.9",
diff --git a/backend/requirements.txt b/backend/requirements.txt
index d3cb63e..2886f54 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,7 +1,7 @@
 # Core dependencies (matches pyproject.toml [project.dependencies])
 fastapi==0.112.0
 uvicorn[standard]==0.30.6
-pydantic==2.8.2
+pydantic==2.13.5
 pydantic-settings==2.3.4
 email-validator==2.2.0
 python-multipart==0.0.9