diff --git a/src/support/spidermonkey/rust-mozjs b/src/support/spidermonkey/rust-mozjs
index 85dc7859ef5..a75966e3cca 160000
--- a/src/support/spidermonkey/rust-mozjs
+++ b/src/support/spidermonkey/rust-mozjs
@@ -1 +1 @@
-Subproject commit 85dc7859ef52da2efdee7dde905f76c17cdc79fb
+Subproject commit a75966e3ccacf39c41776a94ad654492c3116666