diff --git a/libs/cli/pyproject.toml b/libs/cli/pyproject.toml
index ef6d30265..cbff1b7f4 100644
--- a/libs/cli/pyproject.toml
+++ b/libs/cli/pyproject.toml
@@ -14,6 +14,7 @@ license-files = ['LICENSE']
 dependencies = [
     "click>=8.1.7",
     "langgraph-sdk>=0.1.0 ; python_version >= '3.11'",
+    "python-dotenv>=0.8.0",
 ]
 [tool.hatch.version]
 path = "langgraph_cli/__init__.py"