diff --git a/pkgs/development/libraries/haskell/aeson/0.6.2.1.nix b/pkgs/development/libraries/haskell/aeson/0.6.2.1.nix
deleted file mode 100644
index edd2a21040e8..000000000000
--- a/pkgs/development/libraries/haskell/aeson/0.6.2.1.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{ cabal, attoparsec, blazeBuilder, deepseq, dlist, hashable, mtl
-, QuickCheck, syb, testFramework, testFrameworkQuickcheck2, text
-, time, unorderedContainers, vector
-}:
-
-cabal.mkDerivation (self: {
-  pname = "aeson";
-  version = "0.6.2.1";
-  sha256 = "00fa13qr38s4c0fwfvpks3x3sb21kh71cv1v0x2zqg0adnaydknb";
-  buildDepends = [
-    attoparsec blazeBuilder deepseq dlist hashable mtl syb text time
-    unorderedContainers vector
-  ];
-  testDepends = [
-    attoparsec QuickCheck testFramework testFrameworkQuickcheck2 text
-    time unorderedContainers vector
-  ];
-  doCheck = false;
-  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/0.7.0.1.nix b/pkgs/development/libraries/haskell/aeson/default.nix
similarity index 90%
rename from pkgs/development/libraries/haskell/aeson/0.7.0.1.nix
rename to pkgs/development/libraries/haskell/aeson/default.nix
index 4b5c137d89b0..960314920a1b 100644
--- a/pkgs/development/libraries/haskell/aeson/0.7.0.1.nix
+++ b/pkgs/development/libraries/haskell/aeson/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "aeson";
-  version = "0.7.0.1";
-  sha256 = "17cwclxh2f2m0mvs867lfzrv14gd9grw8a9f8l95j3nd76y58kb3";
+  version = "0.7.0.2";
+  sha256 = "0li89xs4dlwc3ijs6w5gabjibj09x12qgxhzp7mch6gxjxwd3ihj";
   buildDepends = [
     attoparsec blazeBuilder deepseq dlist hashable mtl scientific syb
     text time unorderedContainers vector
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 2faafc042feb..81c0a99e4a03 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -526,11 +526,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   adjunctions = callPackage ../development/libraries/haskell/adjunctions {};
 
-  aeson_0_6_2_1 = callPackage ../development/libraries/haskell/aeson/0.6.2.1.nix {};
-  aeson_0_7_0_1 = callPackage ../development/libraries/haskell/aeson/0.7.0.1.nix {
+  aeson = callPackage ../development/libraries/haskell/aeson {
     blazeBuilder = if (pkgs.stdenv.lib.versionOlder ghc.version "7.6") then self.blazeBuilder else null;
   };
-  aeson = self.aeson_0_7_0_1;
 
   aesonLens = callPackage ../development/libraries/haskell/aeson-lens {};