diff --git a/external/spidermonkey/include/mac/js-config.h b/external/spidermonkey/include/mac/js-config.h
index ae4f2abf71..672d79ca0a 100644
--- a/external/spidermonkey/include/mac/js-config.h
+++ b/external/spidermonkey/include/mac/js-config.h
@@ -20,7 +20,7 @@
 
 /* Define to 1 if SpiderMonkey should support the ability to perform
    entirely too much GC.  */
-#define JS_GC_ZEAL 1
+/* #undef JS_GC_ZEAL */
 
 /* Define to 1 if the <endian.h> header is present and
    useable.  See jscpucfg.h.  */
diff --git a/external/spidermonkey/prebuilt/ios/libjs_static.a.REMOVED.git-id b/external/spidermonkey/prebuilt/ios/libjs_static.a.REMOVED.git-id
index 3aa7da9b21..6249ee2757 100644
--- a/external/spidermonkey/prebuilt/ios/libjs_static.a.REMOVED.git-id
+++ b/external/spidermonkey/prebuilt/ios/libjs_static.a.REMOVED.git-id
@@ -1 +1 @@
-1267f1437ae315da4c23e0fc5e7e3f70b4b3c8e2
\ No newline at end of file
+1541255b60cd30b2a7f3424c2ef7b1f85f8474b7
\ No newline at end of file
diff --git a/external/spidermonkey/prebuilt/mac/libjs_static.a.REMOVED.git-id b/external/spidermonkey/prebuilt/mac/libjs_static.a.REMOVED.git-id
index e3f35605ac..4ed807de75 100644
--- a/external/spidermonkey/prebuilt/mac/libjs_static.a.REMOVED.git-id
+++ b/external/spidermonkey/prebuilt/mac/libjs_static.a.REMOVED.git-id
@@ -1 +1 @@
-2385a209e3aa59896599e079658d761fd2985c9a
\ No newline at end of file
+b49342959d039cb5961a5874f38ac882feadaf82
\ No newline at end of file