From 8d11fddfd3c4ab08ef004a2c5683510570ad2154 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Tue, 26 Sep 2017 11:28:55 -0400
Subject: [PATCH] readme

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index 3e3bff38..4888590c 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,16 @@ Specific versions of the Python runtime can be specified with a `runtime.txt` fi
     $ cat runtime.txt
     python-2.7.14
 
+Or, with a `Pipfile.lock` (generated from the following `Pipfile`):
+
+    [requires]
+    python_version = "2.7"
+
+Or, more specifically:
+
+    [requires]
+    python_full_version = "2.7.14"
+
 Runtime options include:
 
 - `python-3.6.2`
-- 
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