diff --git a/setup.py b/setup.py
index f18897ccd2..5d6bd1db3a 100644
--- a/setup.py
+++ b/setup.py
@@ -91,6 +91,7 @@ def _global_version(version):
     py_modules=["vyper"],
     install_requires=[
         "cbor2>=5.4.6,<6",
+        "asttokens>=2.0.5,<3",
         "pycryptodome>=3.5.1,<4",
         "packaging>=23.1,<24",
         "importlib-metadata",