diff --git a/src/support/spidermonkey/mozjs b/src/support/spidermonkey/mozjs
index 50f2e99633b..15c494b9204 160000
--- a/src/support/spidermonkey/mozjs
+++ b/src/support/spidermonkey/mozjs
@@ -1 +1 @@
-Subproject commit 50f2e99633bf28f24b284821dbb723b38f2756e0
+Subproject commit 15c494b9204bb4ecdfbeab142c0ea01e5f0c9a1b