diff --git a/pkgs/development/libraries/haskell/aeson/default.nix b/pkgs/development/libraries/haskell/aeson/0.7.0.4.nix
similarity index 85%
rename from pkgs/development/libraries/haskell/aeson/default.nix
rename to pkgs/development/libraries/haskell/aeson/0.7.0.4.nix
index 7c8dd42c0052..b5c959bb6176 100644
--- a/pkgs/development/libraries/haskell/aeson/default.nix
+++ b/pkgs/development/libraries/haskell/aeson/0.7.0.4.nix
@@ -16,14 +16,10 @@ cabal.mkDerivation (self: {
     attoparsec HUnit QuickCheck testFramework testFrameworkHunit
     testFrameworkQuickcheck2 text time unorderedContainers vector
   ];
-  patchPhase = ''
-    sed -i -e 's|scientific >=.*,|scientific,|' aeson.cabal
-  '';
   meta = {
     homepage = "https://github.com/bos/aeson";
     description = "Fast JSON parsing and encoding";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/libraries/haskell/aeson/0.7.0.6.nix b/pkgs/development/libraries/haskell/aeson/0.7.0.6.nix
new file mode 100644
index 000000000000..96a93b40195f
--- /dev/null
+++ b/pkgs/development/libraries/haskell/aeson/0.7.0.6.nix
@@ -0,0 +1,26 @@
+{ cabal, attoparsec, blazeBuilder, deepseq, dlist, hashable, HUnit
+, mtl, QuickCheck, scientific, syb, testFramework
+, testFrameworkHunit, testFrameworkQuickcheck2, text, time
+, unorderedContainers, vector
+}:
+
+cabal.mkDerivation (self: {
+  pname = "aeson";
+  version = "0.7.0.6";
+  sha256 = "0vsf9msz9iv7xvsnys5c0kbkldb0pvhiai02vz50b0d1kdsk2mb4";
+  buildDepends = [
+    attoparsec blazeBuilder deepseq dlist hashable mtl scientific syb
+    text time unorderedContainers vector
+  ];
+  testDepends = [
+    attoparsec HUnit QuickCheck testFramework testFrameworkHunit
+    testFrameworkQuickcheck2 text time unorderedContainers vector
+  ];
+  meta = {
+    homepage = "https://github.com/bos/aeson";
+    description = "Fast JSON parsing and encoding";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index cc8c68129859..3618c0f10ed9 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -46,7 +46,7 @@
   };
 
   ghc742Prefs = self : super : ghc763Prefs self super // {
-    aeson = super.aeson.override { blazeBuilder = self.blazeBuilder; };
+    aeson = self.aeson_0_7_0_4.override { blazeBuilder = self.blazeBuilder; };
     attoparsec = self.attoparsec_0_11_3_1;
     extensibleExceptions = null;        # core package in ghc <= 7.4.x
     hackageDb = super.hackageDb.override { Cabal = self.Cabal_1_16_0_3; };
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 7f34e01461ca..216037e74cdf 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -138,9 +138,9 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   aes = callPackage ../development/libraries/haskell/aes {};
 
-  aeson = callPackage ../development/libraries/haskell/aeson {
-    blazeBuilder = null;
-  };
+  aeson_0_7_0_4 = callPackage ../development/libraries/haskell/aeson/0.7.0.4.nix { blazeBuilder = null; };
+  aeson_0_7_0_6 = callPackage ../development/libraries/haskell/aeson/0.7.0.6.nix { blazeBuilder = null; };
+  aeson = self.aeson_0_7_0_6;
 
   aesonPretty = callPackage ../development/libraries/haskell/aeson-pretty {};