diff --git a/Pipfile b/Pipfile
index c858f5c..cc2feea 100644
--- a/Pipfile
+++ b/Pipfile
@@ -11,4 +11,4 @@ pytest = "*"
 pytest-freezegun = "*"
 
 [requires]
-python_version = "3.6.5"
+python_version = "3.6"
diff --git a/Pipfile.lock b/Pipfile.lock
index 81f0d7c..539eeca 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "a9cb2221a1d0c07d26a2d0d29c89aa0207273e9d985c448ff793abdbb7ea44f8"
+            "sha256": "008ea2855063155133d59a7470bd38d965c8028f0b40c74f427c96cccd61ef52"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.6.5"
+            "python_version": "3.6"
         },
         "sources": [
             {