diff --git a/src/external/JavaScriptCore b/src/external/JavaScriptCore
index 8c4328131..93410cc0d 160000
--- a/src/external/JavaScriptCore
+++ b/src/external/JavaScriptCore
@@ -1 +1 @@
-Subproject commit 8c4328131230ff14e5413be38ae48698f83f7197
+Subproject commit 93410cc0dbc7a961d58d048c151117acdb18a566
diff --git a/src/external/cctools-port b/src/external/cctools-port
index 6cad9309c..8ef022ae3 160000
--- a/src/external/cctools-port
+++ b/src/external/cctools-port
@@ -1 +1 @@
-Subproject commit 6cad9309cdb3192e1a3cbbc0f15ed7fa318d7d16
+Subproject commit 8ef022ae33be04d7050e70e2cbc7bf954d5cd2b2
diff --git a/src/external/libcxx b/src/external/libcxx
index 5243669ce..c47677d3b 160000
--- a/src/external/libcxx
+++ b/src/external/libcxx
@@ -1 +1 @@
-Subproject commit 5243669ceecd00fe20f8e9fb645d5c7d67956b99
+Subproject commit c47677d3ba33bdabbfb07e75f531831579355a2d