diff --git a/vendor/doctest b/vendor/doctest
index bd5eb234..a2b8de69 160000
--- a/vendor/doctest
+++ b/vendor/doctest
@@ -1 +1 @@
-Subproject commit bd5eb234a17624a8b6ab663368e9cc529235bc75
+Subproject commit a2b8de69f610dfdc91e915af735138fe8654ff6c