diff --git a/Cargo.toml b/Cargo.toml
index 8b868e7..6dfe05d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,6 +18,7 @@ features = ["std"]
 
 [dependencies.num-traits]
 git = "https://github.com/mesalock-linux/num-traits-sgx"
+branch = "v1.1.2-backup"
 
 [dependencies]
 sgx_tstd = { rev = "v1.1.2", git = "https://github.com/apache/teaclave-sgx-sdk.git", optional = true }