diff --git a/src/rust-hubbub b/src/rust-hubbub
index 694aa8919e3..26178630758 160000
--- a/src/rust-hubbub
+++ b/src/rust-hubbub
@@ -1 +1 @@
-Subproject commit 694aa8919e384ad8e132f44c54b20c0cc22c1ab6
+Subproject commit 26178630758cbf1523b5ae2d2ebea6afe4a87fcf
diff --git a/src/rust-mozjs b/src/rust-mozjs
index bbc2ddbe863..b517ede2116 160000
--- a/src/rust-mozjs
+++ b/src/rust-mozjs
@@ -1 +1 @@
-Subproject commit bbc2ddbe86393524cccf1fd797ef85213560cce8
+Subproject commit b517ede2116aa22582032eb0d8fde0eca3b926e9