diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index fe72e7b..9d119f0 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -6,7 +6,7 @@ requires-python = ">=3.12"
 dependencies = [
     "cryptography>=46.0.5,<47.0",
     "fastapi>=0.115,<1.0",
-    "paramiko>=3.5,<4.0",
+    "paramiko>=3.5,<6.0",
     "pydantic>=2.9,<3.0",
     "uvicorn[standard]>=0.32,<1.0",
 ]