diff --git a/components/servo/Cargo.lock b/components/servo/Cargo.lock
index 5f2d29cee62..dad006a243c 100644
--- a/components/servo/Cargo.lock
+++ b/components/servo/Cargo.lock
@@ -1082,7 +1082,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.3"
-source = "git+https://github.com/servo/rust-mozjs#7ccfee50f407841b8cd03b6520a2b9db866ac90a"
+source = "git+https://github.com/servo/rust-mozjs#3ea62135ba1316b4aa845b18cf621bf127b56211"
 dependencies = [
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/ports/cef/Cargo.lock b/ports/cef/Cargo.lock
index b8258ccb8df..019f1b0d484 100644
--- a/ports/cef/Cargo.lock
+++ b/ports/cef/Cargo.lock
@@ -991,7 +991,7 @@ dependencies = [
 [[package]]
 name = "js"
 version = "0.1.3"
-source = "git+https://github.com/servo/rust-mozjs#7ccfee50f407841b8cd03b6520a2b9db866ac90a"
+source = "git+https://github.com/servo/rust-mozjs#3ea62135ba1316b4aa845b18cf621bf127b56211"
 dependencies = [
  "heapsize 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",