diff --git a/extlib/mimalloc b/extlib/mimalloc
index 27627843..4e643b6d 160000
--- a/extlib/mimalloc
+++ b/extlib/mimalloc
@@ -1 +1 @@
-Subproject commit 27627843648ef84aee1621976f25bee5946e6bda
+Subproject commit 4e643b6d3178e0ea2a093b7e14fe621631a91e4b