diff --git a/setup.py b/setup.py
index 3bdce0a..09e1111 100644
--- a/setup.py
+++ b/setup.py
@@ -86,7 +86,7 @@
         "extra": ["matplotlib", "statsmodels", "scikit-learn", "pandas"],
         "dev": [
             "mypy==2.3.1",
-            "pylint==4.0.8",
+            "pylint==4.0.9",
             "pycodestyle==2.14.0",
             "pdoc3==0.11.6",
             "build==1.5.0",