diff --git a/Cargo.toml b/Cargo.toml
index 9798446..f993ef6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "chrono"
-version = "0.2.6"
+version = "0.2.7"
 authors = ["Kang Seonghoon <public+rust@mearie.org>"]
 
 description = "Date and time library for Rust"
@@ -15,5 +15,5 @@ license = "MIT/Apache-2.0"
 name = "chrono"
 
 [dependencies]
-time = "0.1.20"
+time = "0.1.21"
 
diff --git a/README.md b/README.md
index 0881591..eac0956 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[Chrono][doc] 0.2.6
+[Chrono][doc] 0.2.7
 ===================
 
 [![Chrono on Travis CI][travis-image]][travis]
diff --git a/src/format/parsed.rs b/src/format/parsed.rs
index b7894ac..4825b6b 100644
--- a/src/format/parsed.rs
+++ b/src/format/parsed.rs
@@ -723,11 +723,11 @@ mod tests {
         assert_eq!(parse!(year_div_100: -1, year_mod_100: 42, month: 1, day: 1),
                    Err(OUT_OF_RANGE));
         let max_year = date::MAX.year();
-        assert_eq!(parse!(year_div_100: max_year as i32 / 100,
-                          year_mod_100: max_year as i32 % 100, month: 1, day: 1),
+        assert_eq!(parse!(year_div_100: max_year / 100,
+                          year_mod_100: max_year % 100, month: 1, day: 1),
                    ymd(max_year, 1, 1));
-        assert_eq!(parse!(year_div_100: (max_year + 1) as i32 / 100,
-                          year_mod_100: (max_year + 1) as i32 % 100, month: 1, day: 1),
+        assert_eq!(parse!(year_div_100: (max_year + 1) / 100,
+                          year_mod_100: (max_year + 1) % 100, month: 1, day: 1),
                    Err(OUT_OF_RANGE));
 
         // ymd: conflicting inputs
diff --git a/src/lib.rs b/src/lib.rs
index bb70403..7b92ea0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,7 +4,7 @@
 
 /*!
 
-# Chrono 0.2.6
+# Chrono 0.2.7
 
 Date and time handling for Rust. (also known as `rust-chrono`)
 It aims to be a feature-complete superset of the [time](https://github.com/rust-lang/time) library.
@@ -100,6 +100,7 @@ Addition and subtraction is also supported.
 The following illustrates most supported operations to the date and time:
 
 ~~~~ {.rust}
+# #![feature(std_misc)]
 use chrono::*;
 
 # /* we intentionally fake the datetime...
@@ -270,7 +271,7 @@ Advanced time zone handling is not yet supported (but is planned in 0.3).
 #![cfg_attr(test, feature(test))] // ditto
 #![deny(missing_docs)]
 
-extern crate "time" as stdtime;
+extern crate time as stdtime;
 
 pub use duration::Duration;
 pub use offset::{TimeZone, Offset, LocalResult};
diff --git a/src/naive/date.rs b/src/naive/date.rs
index 1fab089..510c1ac 100644
--- a/src/naive/date.rs
+++ b/src/naive/date.rs
@@ -20,8 +20,8 @@ use format::{parse, Parsed, ParseError, ParseResult, DelayedFormat, StrftimeItem
 
 use self::internals::{DateImpl, Of, Mdf, YearFlags};
 
-const MAX_YEAR: i32 = internals::MAX_YEAR as i32;
-const MIN_YEAR: i32 = internals::MIN_YEAR as i32;
+const MAX_YEAR: i32 = internals::MAX_YEAR;
+const MIN_YEAR: i32 = internals::MIN_YEAR;
 
 //   MAX_YEAR-12-31 minus 0000-01-01
 // = ((MAX_YEAR+1)-01-01 minus 0001-01-01) + (0001-01-01 minus 0000-01-01) - 1 day
@@ -74,7 +74,7 @@ impl NaiveDate {
     fn from_of(year: i32, of: Of) -> Option<NaiveDate> {
         if year >= MIN_YEAR && year <= MAX_YEAR && of.valid() {
             let Of(of) = of;
-            Some(NaiveDate { ymdf: ((year << 13) as DateImpl) | (of as DateImpl) })
+            Some(NaiveDate { ymdf: (year << 13) | (of as DateImpl) })
         } else {
             None
         }
@@ -452,7 +452,7 @@ impl NaiveDate {
 }
 
 impl Datelike for NaiveDate {
-    #[inline] fn year(&self) -> i32 { (self.ymdf >> 13) as i32 }
+    #[inline] fn year(&self) -> i32 { self.ymdf >> 13 }
     #[inline] fn month(&self) -> u32 { self.mdf().month() }
     #[inline] fn month0(&self) -> u32 { self.mdf().month() - 1 }
     #[inline] fn day(&self) -> u32 { self.mdf().day() }
@@ -1326,7 +1326,7 @@ mod internals {
         #[inline]
         pub fn ordinal(&self) -> u32 {
             let Of(of) = *self;
-            (of >> 4) as u32
+            of >> 4
         }
 
         #[inline]
@@ -1436,7 +1436,7 @@ mod internals {
         #[inline]
         pub fn month(&self) -> u32 {
             let Mdf(mdf) = *self;
-            (mdf >> 9) as u32
+            mdf >> 9
         }
 
         #[inline]
@@ -1449,7 +1449,7 @@ mod internals {
         #[inline]
         pub fn day(&self) -> u32 {
             let Mdf(mdf) = *self;
-            ((mdf >> 4) & 0b11111) as u32
+            (mdf >> 4) & 0b11111
         }
 
         #[inline]