diff --git a/libs/cli/langgraph_cli/cli.py b/libs/cli/langgraph_cli/cli.py
index 07c894fac..c304252b3 100644
--- a/libs/cli/langgraph_cli/cli.py
+++ b/libs/cli/langgraph_cli/cli.py
@@ -1,3 +1,4 @@
+import os
 import pathlib
 import shutil
 import sys
@@ -598,6 +599,13 @@ def dev(
         ) from None
 
     config_json = langgraph_cli.config.validate_config_file(config)
+    cwd = os.getcwd()
+    sys.path.append(cwd)
+    dependencies = config_json.get("dependencies", [])
+    for dep in dependencies:
+        dep_path = pathlib.Path(cwd) / dep
+        if dep_path.is_dir() and dep_path.exists():
+            sys.path.append(str(dep_path))
 
     graphs = config_json.get("graphs", {})
     run_server(
diff --git a/libs/cli/pyproject.toml b/libs/cli/pyproject.toml
index a271a073b..163bb4a31 100644
--- a/libs/cli/pyproject.toml
+++ b/libs/cli/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-cli"
-version = "0.1.58"
+version = "0.1.59"
 description = "CLI for interacting with LangGraph API"
 authors = []
 license = "MIT"