diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 249fb7e..a382906 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "python-jose[cryptography]>=3.3.0",
     "bcrypt>=4.0.0,<5.0.0",
     "cryptography>=44.0.0",
-    "litellm>=1.55.0",
+    "litellm>=1.83.7",
     "aioimaplib>=2.0.0",
     "html2text>=2024.0.0",
     "python-multipart>=0.0.18",