diff --git a/pkgs/development/libraries/haskell/hakyll/default.nix b/pkgs/development/libraries/haskell/hakyll/default.nix
index eb27fde823fe..86b70bfed525 100644
--- a/pkgs/development/libraries/haskell/hakyll/default.nix
+++ b/pkgs/development/libraries/haskell/hakyll/default.nix
@@ -7,8 +7,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hakyll";
-  version = "4.2.1.0";
-  sha256 = "05w5j8wc47j8g4x2lsm0zs3aspb4rjvgnrxbjlxps0mfz3csqfhh";
+  version = "4.2.1.1";
+  sha256 = "072fl5k8fwmrx1rwb964cz0kn1hcyda13l597mqdmdi2ky5s5hf0";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
@@ -19,9 +19,10 @@ cabal.mkDerivation (self: {
   testDepends = [
     binary blazeHtml blazeMarkup citeprocHs cmdargs cryptohash deepseq
     filepath httpConduit httpTypes HUnit lrucache mtl pandoc parsec
-    QuickCheck random regexBase regexTdfa tagsoup testFramework
-    testFrameworkHunit testFrameworkQuickcheck2 text time
+    QuickCheck random regexBase regexTdfa snapCore snapServer tagsoup
+    testFramework testFrameworkHunit testFrameworkQuickcheck2 text time
   ];
+  patchPhase = "sed -i -e 's|pandoc.*,|pandoc,|' hakyll.cabal";
   doCheck = false;
   meta = {
     homepage = "http://jaspervdj.be/hakyll";