diff --git a/src/token/bearer.rs b/src/token/bearer.rs
index efbb8b1..ded32aa 100644
--- a/src/token/bearer.rs
+++ b/src/token/bearer.rs
@@ -64,7 +64,7 @@ impl<L: Lifetime> FromResponse for Bearer<L> {
 
 #[cfg(test)]
 mod tests {
-    use chrono::{UTC, Duration};
+    use chrono::{Utc, Duration};
 
     use client::response::{FromResponse, ParseError};
     use token::{Static, Refresh};
@@ -135,8 +135,8 @@ mod tests {
         assert_eq!(None, bearer.scope);
         let refresh = bearer.lifetime;
         assert_eq!("bbbbbbbb", refresh.refresh_token());
-        assert!(refresh.expires() > &UTC::now());
-        assert!(refresh.expires() <= &(UTC::now() + Duration::seconds(3600)));
+        assert!(refresh.expires() > &Utc::now());
+        assert!(refresh.expires() <= &(Utc::now() + Duration::seconds(3600)));
     }
 
     #[test]
@@ -163,7 +163,7 @@ mod tests {
         assert_eq!(None, bearer.scope);
         let refresh = bearer.lifetime;
         assert_eq!("bbbbbbbb", refresh.refresh_token());
-        assert!(refresh.expires() > &UTC::now());
-        assert!(refresh.expires() <= &(UTC::now() + Duration::seconds(3600)));
+        assert!(refresh.expires() > &Utc::now());
+        assert!(refresh.expires() <= &(Utc::now() + Duration::seconds(3600)));
     }
 }
diff --git a/tests/mock.rs b/tests/mock.rs
index f0e760b..1e58f68 100644
--- a/tests/mock.rs
+++ b/tests/mock.rs
@@ -4,7 +4,7 @@ extern crate inth_oauth2;
 #[macro_use]
 extern crate yup_hyper_mock;
 
-use chrono::{UTC, Duration};
+use chrono::{Utc, Duration};
 use inth_oauth2::{Client, ClientError, Token, Lifetime};
 use inth_oauth2::error::OAuth2ErrorCode;
 
@@ -95,8 +95,8 @@ fn request_token_bearer_expiring_success() {
     assert_eq!("aaaaaaaa", token.access_token());
     assert_eq!(Some("example"), token.scope());
     assert_eq!(false, token.lifetime().expired());
-    assert!(token.lifetime().expires() > &UTC::now());
-    assert!(token.lifetime().expires() <= &(UTC::now() + Duration::seconds(3600)));
+    assert!(token.lifetime().expires() > &Utc::now());
+    assert!(token.lifetime().expires() <= &(Utc::now() + Duration::seconds(3600)));
 }
 
 #[test]
@@ -107,8 +107,8 @@ fn request_token_bearer_refresh_success() {
     assert_eq!(Some("example"), token.scope());
     assert_eq!("bbbbbbbb", token.lifetime().refresh_token());
     assert_eq!(false, token.lifetime().expired());
-    assert!(token.lifetime().expires() > &UTC::now());
-    assert!(token.lifetime().expires() <= &(UTC::now() + Duration::seconds(3600)));
+    assert!(token.lifetime().expires() > &Utc::now());
+    assert!(token.lifetime().expires() <= &(Utc::now() + Duration::seconds(3600)));
 }
 
 #[test]
@@ -120,8 +120,8 @@ fn refresh_token_bearer_full() {
     assert_eq!(Some("example"), token.scope());
     assert_eq!("dddddddd", token.lifetime().refresh_token());
     assert_eq!(false, token.lifetime().expired());
-    assert!(token.lifetime().expires() > &UTC::now());
-    assert!(token.lifetime().expires() <= &(UTC::now() + Duration::seconds(3600)));
+    assert!(token.lifetime().expires() > &Utc::now());
+    assert!(token.lifetime().expires() <= &(Utc::now() + Duration::seconds(3600)));
 }
 
 #[test]
@@ -133,8 +133,8 @@ fn refresh_token_bearer_partial() {
     assert_eq!(Some("example"), token.scope());
     assert_eq!("bbbbbbbb", token.lifetime().refresh_token());
     assert_eq!(false, token.lifetime().expired());
-    assert!(token.lifetime().expires() > &UTC::now());
-    assert!(token.lifetime().expires() <= &(UTC::now() + Duration::seconds(3600)));
+    assert!(token.lifetime().expires() > &Utc::now());
+    assert!(token.lifetime().expires() <= &(Utc::now() + Duration::seconds(3600)));
 }
 
 #[test]