diff --git a/vendor/nim-chronos b/vendor/nim-chronos
index 7fd1a0f63..ac9b3e304 160000
--- a/vendor/nim-chronos
+++ b/vendor/nim-chronos
@@ -1 +1 @@
-Subproject commit 7fd1a0f635a490ac3ebb1b9e34867585e86021b1
+Subproject commit ac9b3e304f630a450efc996f47dc9e6133246a87