diff --git a/Pipfile.lock b/Pipfile.lock
index 1c545525..2396bb9f 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -214,7 +214,6 @@
             "hashes": [
                 "sha256:7f8ae7f5bdf75671a718d2daf0a64b7885f74510bcd98b1a0bb420eb9a9d0cff"
             ],
-            "markers": "python_version == '>=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*'",
             "version": "==0.6.0"
         },
         "py": {