diff --git a/setup.py b/setup.py
index 0b15c94320e2073c270f68b247422c0cbbb1b844..06d1d63ced0aad542ba53440b716073828ab8eb5 100644
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ def main():
           packages=find_packages(),
           install_requires=[
               "numpy",
+              "llist",
               "modepy",
               "meshpy>=2014.1",
               "six",