diff --git a/Cargo.toml b/Cargo.toml
index 7c27408..19e2ec8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,8 @@ documentation = "https://sfackler.github.io/rust-postgres-range/doc/v0.9.0/postg
 time = "0.1"
 postgres = "0.15"
 postgres-protocol = "0.3"
+chrono = "0.4.0"
+postgres-shared = { version = "0.4.0", features = ["with-chrono"] }
 
 [dev-dependencies]
-postgres = { version = "0.15", features = ["with-time"] }
\ No newline at end of file
+postgres = { version = "0.15", features = ["with-time"] }
diff --git a/src/lib.rs b/src/lib.rs
index 55ffa69..5b28546 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,10 @@
 #[macro_use(to_sql_checked)]
 extern crate postgres;
 extern crate postgres_protocol;
+extern crate postgres_shared;
 extern crate time;
+extern crate chrono;
+use chrono::{DateTime, TimeZone};
 
 use std::cmp::Ordering;
 use std::fmt;
@@ -155,6 +158,17 @@ impl Normalizable for Timespec {
     }
 }
 
+impl<T> Normalizable for DateTime<T> 
+    where T: TimeZone {
+    fn normalize<S>(bound: RangeBound<S, DateTime<T>>) -> RangeBound<S, DateTime<T>>
+    where
+        S: BoundSided,
+    {
+        bound
+    }
+}
+
+
 /// The possible sides of a bound.
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum BoundSide {