diff --git a/pyproject.toml b/pyproject.toml
index ba28909..2b6cbaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 requires-python = ">=3.10"
 dependencies = [
-    "fastmcp==3.2.0",
+    "fastmcp==4.0.2",
     "boto3>=1.34.0,<2.0.0",
     "pydantic>=2.5.0,<3.0.0",
 ]