diff --git a/pkgs/development/compilers/elm/elm.nix b/pkgs/development/compilers/elm/elm.nix
index 622f182e8c56..38e1d7de2c6d 100644
--- a/pkgs/development/compilers/elm/elm.nix
+++ b/pkgs/development/compilers/elm/elm.nix
@@ -1,27 +1,30 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, aeson, aesonPretty, binary, blazeHtml, blazeMarkup
-, cmdargs, filemanip, filepath, HUnit, indents, languageEcmascript
-, languageGlsl, mtl, pandoc, parsec, QuickCheck, scientific
-, testFramework, testFrameworkHunit, testFrameworkQuickcheck2, text
-, transformers, unionFind, unorderedContainers, yaml
+, cheapskate, cmdargs, filemanip, filepath, highlightingKate, HUnit
+, indents, languageEcmascript, languageGlsl, mtl, parsec
+, QuickCheck, testFramework, testFrameworkHunit
+, testFrameworkQuickcheck2, text, transformers, unionFind
+, unorderedContainers
 }:
 
 cabal.mkDerivation (self: {
   pname = "Elm";
-  version = "0.12.3";
-  sha256 = "1v6h9qbbz27ikh19xwjbyfw0zi5ag9x1gp0khh9v4af1g0j86320";
+  version = "0.13";
+  sha256 = "1l6p00h0717blwvia0gvqpsakq8jy44fxc6brr4qxs5g4yjcjnmh";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
-    aeson aesonPretty binary blazeHtml blazeMarkup cmdargs filepath
-    indents languageEcmascript languageGlsl mtl pandoc parsec
-    scientific text transformers unionFind unorderedContainers yaml
+    aeson aesonPretty binary blazeHtml blazeMarkup cheapskate cmdargs
+    filepath highlightingKate indents languageEcmascript languageGlsl
+    mtl parsec text transformers unionFind unorderedContainers
   ];
   testDepends = [
-    aeson aesonPretty binary blazeHtml blazeMarkup cmdargs filemanip
-    filepath HUnit indents languageEcmascript languageGlsl mtl pandoc
-    parsec QuickCheck scientific testFramework testFrameworkHunit
-    testFrameworkQuickcheck2 text transformers unionFind
-    unorderedContainers yaml
+    aeson aesonPretty binary blazeHtml blazeMarkup cheapskate cmdargs
+    filemanip filepath highlightingKate HUnit indents
+    languageEcmascript languageGlsl mtl parsec QuickCheck testFramework
+    testFrameworkHunit testFrameworkQuickcheck2 text transformers
+    unionFind unorderedContainers
   ];
   doCheck = false;
   preConfigure = ''