diff --git a/Pipfile.lock b/Pipfile.lock
index c5d0fb05f..334f60a86 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -225,7 +225,7 @@
                 "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
             "index": "pypi",
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==0.10.2"
         },
         "tomlkit": {