diff --git a/setup.py b/setup.py
index f91c39e..3e7c8f9 100644
--- a/setup.py
+++ b/setup.py
@@ -9,5 +9,5 @@ setup(
     author_email='guillaume.raffy@univ-rennes1.fr',
     license='MIT',
     packages=['cocluto'],
-    requires=['pygraphviz'],  # requires apt install graphviz-dev
+    install_requires=['pygraphviz'],  # requires apt install graphviz-dev
     zip_safe=False)