diff --git a/pkgs/development/ocaml-modules/pgsolver/default.nix b/pkgs/development/ocaml-modules/pgsolver/default.nix
new file mode 100644
index 000000000000..5045cb6a0eeb
--- /dev/null
+++ b/pkgs/development/ocaml-modules/pgsolver/default.nix
@@ -0,0 +1,23 @@
+{ lib, fetchFromGitHub, buildOasisPackage, ounit, tcslib, ocaml-sat-solvers }:
+
+buildOasisPackage rec {
+  pname = "pgsolver";
+  version = "4.1";
+
+  src = fetchFromGitHub {
+    owner  = "tcsprojects";
+    repo   = "pgsolver";
+    rev    = "v${version}";
+    sha256 = "16skrn8qql9djpray25xv66rjgfl20js5wqnxyq1763nmyizyj8a";
+  };
+
+  buildInputs = [ ounit ];
+  propagatedBuildInputs = [ tcslib ocaml-sat-solvers ];
+
+  meta = {
+    homepage = https://github.com/tcsprojects/pgsolver;
+    description = "A collection of tools for generating, manipulating and - most of all - solving parity games";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ mgttlinger ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 525f417a5b4c..b5ec6ed335b2 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -577,6 +577,8 @@ let
 
     ounit = callPackage ../development/ocaml-modules/ounit { };
 
+    pgsolver = callPackage ../development/ocaml-modules/pgsolver { };
+
     piqi = callPackage ../development/ocaml-modules/piqi {
       base64 = base64_2;
     };