diff --git a/pkgs/development/ocaml-modules/windtrap/default.nix b/pkgs/development/ocaml-modules/windtrap/default.nix
new file mode 100644
index 000000000000..f5e1f82e123c
--- /dev/null
+++ b/pkgs/development/ocaml-modules/windtrap/default.nix
@@ -0,0 +1,31 @@
+{
+  lib,
+  fetchurl,
+  buildDunePackage,
+}:
+
+buildDunePackage {
+  pname = "windtrap";
+  version = "0.1.0";
+  minimalOCamlVersion = "5.0";
+
+  src = fetchurl {
+    url = "https://github.com/invariant-hq/windtrap/releases/download/0.1.0/windtrap-0.1.0.tbz";
+    hash = "sha256-IkGylLJO1dVuqLg00pbm+rxdvdkkqJ9RwUsA2mbFCiU=";
+  };
+
+  doCheck = true;
+
+  # this force to skip "collapse_home" tests, because $HOME != getpwuid in the
+  # sandbox
+  preCheck = ''
+    unset HOME
+  '';
+
+  meta = {
+    description = "Unit tests, property-based tests, snapshot tests, and expect tests in a single package with one API.";
+    homepage = "https://ocaml.org/p/windtrap";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.joblade ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8913bb36c421..c2157ed3316c 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -2261,6 +2261,8 @@ let
 
         webmachine = callPackage ../development/ocaml-modules/webmachine { };
 
+        windtrap = callPackage ../development/ocaml-modules/windtrap { };
+
         wtf8 = callPackage ../development/ocaml-modules/wtf8 { };
 
         ### X ###