diff --git a/manifest.dhall b/manifest.dhall
index 494bf9fc0bfcb542fd6ef73e4ee5aa3a23fbacbd..b9ac8b0ea678bcfc321e3bcc48dc4ab34cad7949 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -218,6 +218,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "data-sketches-core" "0.1.0.0"
     , callHackage "dec" "0.0.5"
     , callHackage "dense-linear-algebra" "0.1.0.0"
+    , callHackage "derp" "0.1.6"
     , callHackage "deriving-aeson" "0.2.8"
     , callHackage "dhall" "1.41.2"
     , callHackage "dhall-json" "1.7.11"
diff --git a/overlay.nix b/overlay.nix
index e588ce9805a83574d163973f10a92131b14e82e8..3ce8a04ed815f771d9debd5cf99300d33755c361 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -291,6 +291,8 @@ self: with pkgs.haskell.lib; {
 
   deriving-aeson = self.callPackage (./pkgs/deriving-aeson.nix) { };
 
+  derp = self.callPackage (./pkgs/derp.nix) { };
+
   dhall = self.callPackage (./pkgs/dhall.nix) { };
 
   dhall-json = self.callPackage (./pkgs/dhall-json.nix) { };
diff --git a/pkgs/derp.nix b/pkgs/derp.nix
new file mode 100644
index 0000000000000000000000000000000000000000..dc466f9f924fe12d1f28029e059554ae2b573ec8
--- /dev/null
+++ b/pkgs/derp.nix
@@ -0,0 +1,20 @@
+{ mkDerivation, base, containers, lib }:
+mkDerivation {
+  pname = "derp";
+  version = "0.1.6";
+  sha256 = "136a001ad5afc5db65495832a539ab027e2685ce5f6ed82d5fb72a29314a1e3d";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base containers ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  description = "Derivative Parsing";
+  license = lib.licenses.bsd3;
+  broken = false;
+}