diff --git a/Cargo.toml b/Cargo.toml
index 5287711..010f45e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "layers"
-version = "0.5.1"
+version = "0.5.2"
 authors = ["The Servo Project Developers"]
 license = "MIT/Apache-2.0"
 
diff --git a/src/lib.rs b/src/lib.rs
index 6be5381..92356ff 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,6 +10,7 @@
 #![crate_name = "layers"]
 #![crate_type = "rlib"]
 
+#![cfg_attr(feature = "plugins", feature(core_intrinsics))]
 #![cfg_attr(feature = "plugins", feature(custom_attribute))]
 #![cfg_attr(feature = "plugins", feature(custom_derive))]
 #![cfg_attr(feature = "plugins", feature(plugin))]