diff --git a/manifest.dhall b/manifest.dhall
index 09038d672005b16648347b63c73f4035de35254f..4d3496c290cdf28236b7134ef517c41464f9ebc7 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -340,6 +340,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "hspec-contrib" "0.5.1.1"
     , callHackage "hspec-core" "2.10.0.1"
     , callHackage "hspec-discover" "2.10.0.1"
+    , callHackage "hspec-megaparsec" "2.2.0"
     , callHackage "hspec-meta" "2.9.3"
     , callHackage "httpd-shed" "0.4.1.1"
     , callHackage "http-api-data" "0.5"
diff --git a/overlay.nix b/overlay.nix
index 52b1cdabc96de88824fb930166ee12a2ac91b293..c93c0433766268f03a809b5fc6b014988f82c75a 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -459,6 +459,8 @@ self: with pkgs.haskell.lib; {
 
   hspec-discover = self.callPackage (./pkgs/hspec-discover.nix) { };
 
+  hspec-megaparsec = self.callPackage (./pkgs/hspec-megaparsec.nix) { };
+
   hspec-meta = self.callPackage (./pkgs/hspec-meta.nix) { };
 
   http-api-data = self.callPackage (./pkgs/http-api-data.nix) { };
diff --git a/pkgs/hspec-megaparsec.nix b/pkgs/hspec-megaparsec.nix
new file mode 100644
index 0000000000000000000000000000000000000000..7d66ed507d8fda8877f08c92385a3257c6769b33
--- /dev/null
+++ b/pkgs/hspec-megaparsec.nix
@@ -0,0 +1,34 @@
+{ mkDerivation
+, base
+, containers
+, hspec
+, hspec-expectations
+, lib
+, megaparsec
+}:
+mkDerivation {
+  pname = "hspec-megaparsec";
+  version = "2.2.0";
+  sha256 = "f609b4bb7e38ecba0503f1fc349a2600f5c799ef3c33731ad6a6e1ff9f01ce43";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [
+    base
+    containers
+    hspec-expectations
+    megaparsec
+  ];
+  testHaskellDepends = [ base hspec hspec-expectations megaparsec ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/mrkkrp/hspec-megaparsec";
+  description = "Utility functions for testing Megaparsec parsers with Hspec";
+  license = lib.licenses.bsd3;
+  broken = false;
+}