diff --git a/pkgs/development/compilers/julia/default.nix b/pkgs/development/compilers/julia/default.nix
index 5df0a35aae8e..81781868b02a 100644
--- a/pkgs/development/compilers/julia/default.nix
+++ b/pkgs/development/compilers/julia/default.nix
@@ -43,12 +43,12 @@ in
 
 stdenv.mkDerivation rec {
   pname = "julia";
-  version = "0.4.0";
+  version = "0.4.2";
   name = "${pname}-${version}";
 
   src = fetchurl {
     url = "https://github.com/JuliaLang/${pname}/releases/download/v${version}/${name}.tar.gz";
-    sha256 = "00k53hzbawpqvmkkyzcvbmf1d0ycshzdqk19nwsifv1rmiwjj7ss";
+    sha256 = "04i5kjji5553lkdxz3wgflg1mav5ivwy2dascjy8jprqpq33aknk";
   };
 
   prePatch = ''