diff --git a/Cargo.toml b/Cargo.toml
index b294bd8..75d2314 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,7 @@ edition = "2018"
 
 [dependencies]
 serde_json = "1.0"
-serde_derive = "1.0"
-serde = "1.0"
+serde = {version = "1.0", features = ["derive"] }
 ring = { version = "0.16.5", features = ["std"] }
 base64 = "0.11"
 # For validation
diff --git a/examples/custom_chrono.rs b/examples/custom_chrono.rs
index 2d3bcca..fa6d868 100644
--- a/examples/custom_chrono.rs
+++ b/examples/custom_chrono.rs
@@ -1,11 +1,6 @@
-extern crate jsonwebtoken as jwt;
-extern crate serde;
-#[macro_use]
-extern crate serde_derive;
-extern crate chrono;
-
 use chrono::prelude::*;
-use jwt::{Header, Key, Validation};
+use jsonwebtoken::{Header, Key, Validation};
+use serde::{Deserialize, Serialize};
 
 const SECRET: &str = "some-secret";
 
@@ -44,9 +39,6 @@ mod jwt_numeric_date {
 
     #[cfg(test)]
     mod tests {
-        use super::*;
-        use jwt::{Header, Validation};
-
         const EXPECTED_TOKEN: &str = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJDdXN0b20gRGF0ZVRpbWUgc2VyL2RlIiwiaWF0IjowLCJleHAiOjMyNTAzNjgwMDAwfQ.RTgha0S53MjPC2pMA4e2oMzaBxSY3DMjiYR2qFfV55A";
 
         use super::super::{Claims, SECRET};
@@ -59,13 +51,13 @@ mod jwt_numeric_date {
 
             let claims = Claims { sub: sub.clone(), iat, exp };
 
-            let token = jwt::encode(&Header::default(), &claims, Key::Hmac(SECRET.as_ref()))
+            let token = encode(&Header::default(), &claims, Key::Hmac(SECRET.as_ref()))
                 .expect("Failed to encode claims");
 
             assert_eq!(&token, EXPECTED_TOKEN);
 
             let decoded =
-                jwt::decode::<Claims>(&token, Key::Hmac(SECRET.as_ref()), &Validation::default())
+                decode::<Claims>(&token, Key::Hmac(SECRET.as_ref()), &Validation::default())
                     .expect("Failed to decode token");
 
             assert_eq!(decoded.claims, claims);
@@ -77,7 +69,7 @@ mod jwt_numeric_date {
             let overflow_token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJDdXN0b20gRGF0ZVRpbWUgc2VyL2RlIiwiaWF0IjowLCJleHAiOjkyMjMzNzIwMzY4NTQ3NzYwMDB9.G2PKreA27U8_xOwuIeCYXacFYeR46f9FyENIZfCrvEc";
 
             let decode_result =
-                jwt::decode::<Claims>(&overflow_token, SECRET.as_ref(), &Validation::default());
+                decode::<Claims>(&overflow_token, SECRET.as_ref(), &Validation::default());
 
             assert!(decode_result.is_err());
         }
@@ -91,12 +83,12 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let claims = Claims { sub: sub.clone(), iat, exp };
 
-    let token = jwt::encode(&Header::default(), &claims, Key::Hmac(SECRET.as_ref()))?;
+    let token = jsonwebtoken::encode(&Header::default(), &claims, Key::Hmac(SECRET.as_ref()))?;
 
     println!("serialized token: {}", &token);
 
     let token_data =
-        jwt::decode::<Claims>(&token, Key::Hmac(SECRET.as_ref()), &Validation::default())?;
+        jsonwebtoken::decode::<Claims>(&token, Key::Hmac(SECRET.as_ref()), &Validation::default())?;
 
     println!("token data:\n{:#?}", &token_data);
     Ok(())
diff --git a/examples/custom_header.rs b/examples/custom_header.rs
index d4c94da..d4e5c58 100644
--- a/examples/custom_header.rs
+++ b/examples/custom_header.rs
@@ -1,9 +1,7 @@
-extern crate jsonwebtoken as jwt;
-#[macro_use]
-extern crate serde_derive;
+use serde::{Deserialize, Serialize};
 
-use jwt::errors::ErrorKind;
-use jwt::{decode, encode, Algorithm, Header, Key, Validation};
+use jsonwebtoken::errors::ErrorKind;
+use jsonwebtoken::{decode, encode, Algorithm, Header, Key, Validation};
 
 #[derive(Debug, Serialize, Deserialize)]
 struct Claims {
diff --git a/examples/validation.rs b/examples/validation.rs
index 552eef0..bfc6bcc 100644
--- a/examples/validation.rs
+++ b/examples/validation.rs
@@ -1,9 +1,6 @@
-extern crate jsonwebtoken as jwt;
-#[macro_use]
-extern crate serde_derive;
-
-use jwt::errors::ErrorKind;
-use jwt::{decode, encode, Header, Key, Validation};
+use jsonwebtoken::errors::ErrorKind;
+use jsonwebtoken::{decode, encode, Header, Key, Validation};
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 struct Claims {
diff --git a/src/algorithms.rs b/src/algorithms.rs
index 6b05356..09c8b17 100644
--- a/src/algorithms.rs
+++ b/src/algorithms.rs
@@ -1,4 +1,5 @@
 use crate::errors::{new_error, Error, ErrorKind, Result};
+use serde::{Deserialize, Serialize};
 use std::str::FromStr;
 
 /// The algorithms supported for signing/verifying
diff --git a/src/header.rs b/src/header.rs
index 2a17da9..66f38d8 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -1,4 +1,5 @@
 use crate::algorithms::Algorithm;
+use serde::{Deserialize, Serialize};
 
 /// A basic JWT header, the alg defaults to HS256 and typ is automatically
 /// set to `JWT`. All the other fields are optional.
diff --git a/src/lib.rs b/src/lib.rs
index db07517..6f9b1fa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,15 +3,6 @@
 //! Documentation:  [stable](https://docs.rs/jsonwebtoken/)
 #![deny(missing_docs)]
 
-#[macro_use]
-extern crate serde_derive;
-extern crate base64;
-extern crate chrono;
-extern crate ring;
-extern crate serde;
-extern crate serde_json;
-extern crate simple_asn1;
-
 mod algorithms;
 mod crypto;
 /// All the errors
diff --git a/tests/ec/mod.rs b/tests/ec/mod.rs
index 8a15ecc..cc3321e 100644
--- a/tests/ec/mod.rs
+++ b/tests/ec/mod.rs
@@ -1,6 +1,6 @@
 use chrono::Utc;
 use jsonwebtoken::{decode, decode_pem, encode, sign, verify, Algorithm, Header, Key, Validation};
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
 pub struct Claims {
diff --git a/tests/hmac.rs b/tests/hmac.rs
index 3c3f284..89cfaf7 100644
--- a/tests/hmac.rs
+++ b/tests/hmac.rs
@@ -3,7 +3,7 @@ use jsonwebtoken::{
     dangerous_unsafe_decode, decode, decode_header, encode, sign, verify, Algorithm, Header, Key,
     Validation,
 };
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
 pub struct Claims {
diff --git a/tests/rsa/mod.rs b/tests/rsa/mod.rs
index d453cfe..8fde515 100644
--- a/tests/rsa/mod.rs
+++ b/tests/rsa/mod.rs
@@ -1,6 +1,6 @@
 use chrono::Utc;
 use jsonwebtoken::{decode, decode_pem, encode, sign, verify, Algorithm, Header, Key, Validation};
-use serde_derive::{Deserialize, Serialize};
+use serde::{Deserialize, Serialize};
 
 const RSA_ALGORITHMS: &[Algorithm] = &[
     Algorithm::RS256,