diff --git a/pkgs/development/libraries/haskell/smallcheck/default.nix b/pkgs/development/libraries/haskell/smallcheck/0.6.2.nix
similarity index 100%
rename from pkgs/development/libraries/haskell/smallcheck/default.nix
rename to pkgs/development/libraries/haskell/smallcheck/0.6.2.nix
diff --git a/pkgs/development/libraries/haskell/smallcheck/1.0.1.nix b/pkgs/development/libraries/haskell/smallcheck/1.0.1.nix
new file mode 100644
index 00000000000..a11eb501a86
--- /dev/null
+++ b/pkgs/development/libraries/haskell/smallcheck/1.0.1.nix
@@ -0,0 +1,15 @@
+{ cabal, dlist }:
+
+cabal.mkDerivation (self: {
+  pname = "smallcheck";
+  version = "0.6.2";
+  sha256 = "0yz7an3k71ia7sgs8xpkh37xz9ipsnbf13680185cij8llq8zbyr";
+  buildDepends = [ dlist ];
+  meta = {
+    homepage = "https://github.com/feuerbach/smallcheck";
+    description = "A property-based testing library";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 91e51b694fb..efb302648d2 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1544,7 +1544,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   skein = callPackage ../development/libraries/haskell/skein {};
 
-  smallcheck = callPackage ../development/libraries/haskell/smallcheck {};
+  smallcheck_0_6_2 = callPackage ../development/libraries/haskell/smallcheck/0.6.2.nix {};
+  smallcheck_1_0_1 = callPackage ../development/libraries/haskell/smallcheck/1.0.1.nix {};
+  smallcheck = self.smallcheck_1_0_1;
 
   snap = callPackage ../development/libraries/haskell/snap/snap.nix {};