diff --git a/pyproject.toml b/pyproject.toml
index c7c3c68a..c597249e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
     "pydantic>=2.12.0,<3.0",
     "mcp>=1.20.0,<2.0",
     "jsonargparse>=4.45.0",
-    "fastmcp>=2.13.3",
+    "fastmcp~=3.0",
     "pyyaml>=6.0.3",
 ]
 classifiers = [
diff --git a/src/ursa/cli/hitl.py b/src/ursa/cli/hitl.py
index 1efce809..6d247d12 100644
--- a/src/ursa/cli/hitl.py
+++ b/src/ursa/cli/hitl.py
@@ -220,9 +220,7 @@ def as_mcp_server(self, **kwargs):
         mcp = FastMCP(
             "URSA",
             version=ursa_version,
-            on_duplicate_tools="error",
-            on_duplicate_prompts="error",
-            on_duplicate_resources="error",
+            on_duplicate="error",
             **kwargs,
         )