diff --git a/ext/c4core b/ext/c4core
index 00d0b1d2f..869f64593 160000
--- a/ext/c4core
+++ b/ext/c4core
@@ -1 +1 @@
-Subproject commit 00d0b1d2f65848dc4c584fb189b765bb6bf6a097
+Subproject commit 869f64593421835930c582973c6c6d30889ac955