diff --git a/pkgs/development/ocaml-modules/janestreet/ppx-assert.nix b/pkgs/development/ocaml-modules/janestreet/ppx-assert.nix
new file mode 100644
index 00000000000..e42bc80e9dd
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx-assert.nix
@@ -0,0 +1,16 @@
+{stdenv, buildOcamlJane,
+ ppx_compare, ppx_core, ppx_driver, ppx_here, ppx_sexp_conv, ppx_tools, ppx_type_conv, sexplib}:
+
+buildOcamlJane rec {
+  name = "ppx_assert";
+  hash = "0n7fa1j79ykbkhp8xz0ksg5096asri5d0msshsaqhw5fz18chvz4";
+  propagatedBuildInputs =
+    [ ppx_compare ppx_core ppx_driver ppx_here ppx_sexp_conv ppx_tools
+      ppx_type_conv sexplib ];
+
+  meta = with stdenv.lib; {
+    description = "Assert-like extension nodes that raise useful errors on failure.";
+    maintainers = [ maintainers.maurer ];
+    license = licenses.asl20;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c78348470fc..c4623c090c2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5525,6 +5525,8 @@ in
     ppx_here = callPackage ../development/ocaml-modules/janestreet/ppx-here.nix {};
 
     ppx_sexp_conv = callPackage ../development/ocaml-modules/janestreet/ppx-sexp-conv.nix {};
+
+    ppx_assert = callPackage ../development/ocaml-modules/janestreet/ppx-assert.nix {};
   };
 
   ocamlPackages = recurseIntoAttrs ocamlPackages_4_01_0;