diff --git a/README.md b/README.md
index cc2e45d6..d7397317 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,7 @@ pubnub = { version = "0.0.0", features = ["parse_token"] }
 | `reqwest`     | Uses [reqwest](https://github.com/seanmonstar/reqwest) as a transport layer | n/a |
 | `blocking`    | Enables blocking executions of APIs | n/a |
 | `aescbc`      | Enables AES-CBC encryption | n/a |
+| `std`         | Enables `std` library | n/a |
 
 ## Documentation
 
diff --git a/src/lib.rs b/src/lib.rs
index cd796e64..83c03708 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -106,6 +106,7 @@
 //! | `reqwest`     | Uses [reqwest](https://github.com/seanmonstar/reqwest) as a transport layer | n/a |
 //! | `blocking`    | Enables blocking executions of APIs | n/a |
 //! | `aescbc`      | Enables AES-CBC encryption | n/a |
+//! | `std`         | Enables `std` library | n/a |
 //!
 //! ## Documentation
 //!