diff --git a/exercise b/exercise
index 081505ce3..4b8cd1223 160000
--- a/exercise
+++ b/exercise
@@ -1 +1 @@
-Subproject commit 081505ce33ee5925763d9b5c8b42aad2ee594c36
+Subproject commit 4b8cd12232cd226a7d3f952cd2644f31cea402a6