diff --git a/pkgs/development/libraries/haskell/fay-base/default.nix b/pkgs/development/libraries/haskell/fay-base/default.nix
new file mode 100644
index 000000000000..8e1212f5e5a0
--- /dev/null
+++ b/pkgs/development/libraries/haskell/fay-base/default.nix
@@ -0,0 +1,15 @@
+{ cabal, fay }:
+
+cabal.mkDerivation (self: {
+  pname = "fay-base";
+  version = "0.18.0.0";
+  sha256 = "010zjcs4y0zdb4gijrw10sjc56i271s35bkwg5c0lblyr62nml0s";
+  buildDepends = [ fay ];
+  meta = {
+    homepage = "https://github.com/faylang/fay-base";
+    description = "The base package for Fay";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.ocharles ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 3dab134935f3..2d09aa60b0ca 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1037,6 +1037,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   executablePath = callPackage ../development/libraries/haskell/executable-path {};
 
   fay = callPackage ../development/libraries/haskell/fay {};
+  fayBase = callPackage ../development/libraries/haskell/fay-base {};
 
   filepath_1_3_0_0 = callPackage ../development/libraries/haskell/filepath {};
   filepath = null; # a core package in recent GHCs