diff --git a/pkgs/development/ocaml-modules/graphql/parser.nix b/pkgs/development/ocaml-modules/graphql/parser.nix
new file mode 100644
index 000000000000..4172ccd8d043
--- /dev/null
+++ b/pkgs/development/ocaml-modules/graphql/parser.nix
@@ -0,0 +1,28 @@
+{ lib, buildDunePackage, fetchurl, alcotest, fmt, menhir, re }:
+
+buildDunePackage rec {
+  pname = "graphql_parser";
+  version = "0.13.0";
+
+  minimumOCamlVersion = "4.03";
+
+  src = fetchurl {
+    url = "https://github.com/andreas/ocaml-graphql-server/releases/download/${version}/graphql-${version}.tbz";
+    sha256 = "0gb5y99ph0nz5y3pc1gxq1py4wji2hyf2ydbp0hv23v00n50hpsm";
+  };
+
+  nativeBuildInputs = [ menhir ];
+  propagatedBuildInputs = [ fmt re ];
+
+  checkInputs = lib.optional doCheck alcotest;
+
+  doCheck = true;
+
+  meta = {
+    homepage = "https://github.com/andreas/ocaml-graphql-server";
+    description = "Library for parsing GraphQL queries";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index a6491ea9d06d..0c559cd80144 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -348,6 +348,8 @@ let
 
     gmetadom = callPackage ../development/ocaml-modules/gmetadom { };
 
+    graphql_parser = callPackage ../development/ocaml-modules/graphql/parser.nix { };
+
     gtktop = callPackage ../development/ocaml-modules/gtktop { };
 
     hex = callPackage ../development/ocaml-modules/hex { };