diff --git a/common/src/lib.rs b/common/src/lib.rs
index 94306f3745c..06f0c5be390 100644
--- a/common/src/lib.rs
+++ b/common/src/lib.rs
@@ -1,3 +1,5 @@
+#![feature(try_from)]
+
 #[cfg(not(target_env = "sgx"))]
 extern crate grpcio;