diff --git a/third_party/cctz b/third_party/cctz
index 4f2578218..d13974310 160000
--- a/third_party/cctz
+++ b/third_party/cctz
@@ -1 +1 @@
-Subproject commit 4f2578218c598f075a19245be842e69a1865a929
+Subproject commit d1397431006ea1362a5914d4a90b265d0c7c6f2c