diff --git a/pkgs/development/libraries/icu/default.nix b/pkgs/development/libraries/icu/default.nix
index a029eab6f121..ee8dc5945987 100644
--- a/pkgs/development/libraries/icu/default.nix
+++ b/pkgs/development/libraries/icu/default.nix
@@ -1,9 +1,8 @@
 { stdenv, fetchurl, fixDarwinDylibNames }:
 
 let
-
   pname = "icu4c";
-  version = "52.1";
+  version = "53.1";
 in
 stdenv.mkDerivation {
   name = pname + "-" + version;
@@ -11,7 +10,7 @@ stdenv.mkDerivation {
   src = fetchurl {
     url = "http://download.icu-project.org/files/${pname}/${version}/${pname}-"
       + (stdenv.lib.replaceChars ["."] ["_"] version) + "-src.tgz";
-    sha256 = "14l0kl17nirc34frcybzg0snknaks23abhdxkmsqg3k9sil5wk9g";
+    sha256 = "0a4sg9w054640zncb13lhrcjqn7yg1qilwd1mczc4w60maslz9vg";
   };
 
   makeFlags = stdenv.lib.optionalString stdenv.isDarwin
@@ -35,10 +34,10 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Unicode and globalization support library";
     homepage = http://site.icu-project.org/;
-    maintainers = with stdenv.lib.maintainers; [raskin urkud];
-    platforms = stdenv.lib.platforms.all;
+    maintainers = with maintainers; [ raskin urkud ];
+    platforms = platforms.all;
   };
 }