diff --git a/requirements.txt b/requirements.txt
index 790dcb2..22f26b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ uvicorn[standard]>=0.48.0
 pydantic>=2.13.4
 fastapi-mcp>=0.4.0
 PyJWT>=2.13.0
-cryptography>=42.0.0
+cryptography>=48.0.0
 prometheus-client>=0.20.0
 
 # OpenTelemetry tracing