diff --git a/external/keyvaluedb b/external/keyvaluedb
index 47e33551..4a21429c 160000
--- a/external/keyvaluedb
+++ b/external/keyvaluedb
@@ -1 +1 @@
-Subproject commit 47e335515869160efd8a119f6f066f7009270246
+Subproject commit 4a21429c5ea10ba550b793818e691793d7d8016b