diff --git a/pep-0101.txt b/pep-0101.txt
index 1f83801cf..00b931a17 100644
--- a/pep-0101.txt
+++ b/pep-0101.txt
@@ -88,7 +88,7 @@ How to Make A Release
     As much as possible, the release steps are automated and guided by the
     release script, which is available in a separate repository:
 
-        http://hg.python.org/release/
+        https://hg.python.org/release/
 
     We use the following conventions in the examples below.  Where a release
     number is given, it is of the form X.Y.ZaN, e.g. 3.3.0a3 for Python 3.3.0