diff --git a/trustgraph-mcp/pyproject.toml b/trustgraph-mcp/pyproject.toml
index c99b296e..48449831 100644
--- a/trustgraph-mcp/pyproject.toml
+++ b/trustgraph-mcp/pyproject.toml
@@ -12,6 +12,7 @@ requires-python = ">=3.8"
 dependencies = [
     "mcp",
     "websockets",
+    "trustgraph-base",
 ]
 classifiers = [
     "Programming Language :: Python :: 3",