diff --git a/pyproject.toml b/pyproject.toml
index e4a9037a..bfce8824 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dependencies = [
   "structlog>=24.0.0",
   "slowapi>=0.1.9",
   "httpx>=0.28.0",
-  "litellm>=1.82.4,<=1.82.6",  # SECURITY: 1.82.7+ compromised (supply chain attack 2026-03-24)
+  "litellm>=1.82.4,<=1.83.3",  # SECURITY: 1.82.7+ compromised (supply chain attack 2026-03-24)
 ]
 
 [project.scripts]