diff --git a/sdk/pyproject.toml b/sdk/pyproject.toml
index e39bbbf5e..3d942ebe1 100644
--- a/sdk/pyproject.toml
+++ b/sdk/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "python-multipart>=0.0.20",
     "mcpadapt>=0.1.13",
     "mcp>=1.24.0,<1.30",
-    "fastmcp>=2.14.2,<3.0",
+    "fastmcp>=2.14.2,<4.0",
     "docker>=7.0.0",
     "kubernetes>=29.0.0",
     "tiktoken>=0.5.0",