diff --git a/sgx/epid-types/Cargo.toml b/sgx/epid-types/Cargo.toml
index 5924b040c2..74258116aa 100644
--- a/sgx/epid-types/Cargo.toml
+++ b/sgx/epid-types/Cargo.toml
@@ -29,7 +29,7 @@ mc-sgx-core-types-sys = { path = "../core-types-sys" }
 mc-sgx-epid-types-sys = { path = "../epid-types-sys" }
 
 base64 = "0.12"
-bytes = { version = "0.5", optional = true , default-features = false}
+bytes = { version = "0.5", optional = true, default-features = false}
 hex = "0.4"
 hex_fmt = "0.3"
 prost = { version = "0.6.1", optional = true, default-features = false }