diff --git a/pipenv/cli.py b/pipenv/cli.py
index 729b4d78..9c2c0f9e 100644
--- a/pipenv/cli.py
+++ b/pipenv/cli.py
@@ -464,7 +464,7 @@ def ensure_python(three=None, python=None):
                     '2.7': '2.7.14',
                     # '3.1': '3.1.5',
                     # '3.2': '3.2.6',
-                    '3.3': '3.3.6',
+                    '3.3': '3.3.7',
                     '3.4': '3.4.7',
                     '3.5': '3.5.4',
                     '3.6': '3.6.4',