diff --git a/pkgs/development/interpreters/racket/default.nix b/pkgs/development/interpreters/racket/default.nix
index 2fd53d0ebc88..129c0ac60774 100644
--- a/pkgs/development/interpreters/racket/default.nix
+++ b/pkgs/development/interpreters/racket/default.nix
@@ -32,11 +32,11 @@ in
 
 stdenv.mkDerivation rec {
   name = "racket-${version}";
-  version = "6.2.1";
+  version = "6.3";
 
   src = fetchurl {
     url = "http://mirror.racket-lang.org/installers/${version}/${name}-src.tgz";
-    sha256 = "0555j63k7fs10iv0icmivlxpzgp6s7gwcbfddmbwxlf2rk80qhq0";
+    sha256 = "0f21vnads6wsrzimfja969gf3pkl60s0rdfrjf9s70lcy9x0jz4i";
   };
 
   FONTCONFIG_FILE = fontsConf;