diff --git a/Cargo.toml b/Cargo.toml
index 1e75446..0ec6bdb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ ff = "0.13"
 group = "0.13"
 pairing_lib = { version = "0.23.0", package = "pairing" }
 
-bls12_381 = { version = "0.8.0", optional = true, features = ["experimental" ] }
+bls12_381 = { version = "0.8.0", optional = true, features = ["experimental"] }
 sha2 = { version = "0.9", optional = true }
 hkdf = { version = "0.11.0", optional = true }