diff --git a/pkgs/development/libraries/icu/default.nix b/pkgs/development/libraries/icu/default.nix
index 838d6f7b75f..4437fc4bad2 100644
--- a/pkgs/development/libraries/icu/default.nix
+++ b/pkgs/development/libraries/icu/default.nix
@@ -3,15 +3,17 @@
 let
 
   pname = "icu4c";
-  version = "51.1";
+  ver_maj = "52";
+  ver_min = "1";
+  version = "${ver_maj}.${ver_min}";
 in
 
 stdenv.mkDerivation {
   name = pname + "-" + version;
 
   src = fetchurl {
-    url = http://download.icu-project.org/files/icu4c/51.1/icu4c-51_1-src.tgz;
-    sha256 = "0sv6hgkm92pm27zgjxgk284lcxxbsl0syi40ckw2b7yj7d8sxrc7";
+    url = "http://download.icu-project.org/files/icu4c/${version}/icu4c-${ver_maj}_${ver_min}-src.tgz";
+    sha256 = "14l0kl17nirc34frcybzg0snknaks23abhdxkmsqg3k9sil5wk9g";
   };
 
   postUnpack = ''