diff --git a/pkgs/development/libraries/haskell/string-conversions/default.nix b/pkgs/development/libraries/haskell/string-conversions/default.nix
new file mode 100644
index 000000000000..efab2ee40bb4
--- /dev/null
+++ b/pkgs/development/libraries/haskell/string-conversions/default.nix
@@ -0,0 +1,13 @@
+{ cabal, text, utf8String }:
+
+cabal.mkDerivation (self: {
+  pname = "string-conversions";
+  version = "0.3.0.2";
+  sha256 = "0jcm0vv0ll74zfc7s2l8qpqpbfnkv7ir9d1kg68m6b0f9sq0dgng";
+  buildDepends = [ text utf8String ];
+  meta = {
+    description = "Simplifies dealing with different types for strings";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 105799eaf357..f7554b5da561 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2146,6 +2146,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   stringCombinators = callPackage ../development/libraries/haskell/string-combinators {};
 
+  stringConversions = callPackage ../development/libraries/haskell/string-conversions {};
+
   stringprep = callPackage ../development/libraries/haskell/stringprep {};
 
   stringQq = callPackage ../development/libraries/haskell/string-qq {};