diff --git a/pkgs/development/ocaml-modules/janestreet/ppx-pipebang.nix b/pkgs/development/ocaml-modules/janestreet/ppx-pipebang.nix
new file mode 100644
index 000000000000..f3f4bcdead59
--- /dev/null
+++ b/pkgs/development/ocaml-modules/janestreet/ppx-pipebang.nix
@@ -0,0 +1,14 @@
+{stdenv, buildOcamlJane,
+ ppx_core, ppx_driver, ppx_tools}:
+
+buildOcamlJane rec {
+  name = "ppx_pipebang";
+  hash = "0k25bhj9ziiw89xvs4svz7cgazbbmprba9wbic2llffg55fp7acc";
+  propagatedBuildInputs = [ ppx_core ppx_driver ppx_tools ];
+
+  meta = with stdenv.lib; {
+    description = "A ppx rewriter that inlines reverse application operators |> and |!";
+    maintainers = [ maintainers.maurer ];
+    license = licenses.asl20;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 80607f5c5637..cbc099f7b744 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5543,6 +5543,8 @@ in
     ppx_fields_conv = callPackage ../development/ocaml-modules/janestreet/ppx-fields-conv.nix {};
 
     ppx_let = callPackage ../development/ocaml-modules/janestreet/ppx-let.nix {};
+
+    ppx_pipebang = callPackage ../development/ocaml-modules/janestreet/ppx-pipebang.nix {};
   };
 
   ocamlPackages = recurseIntoAttrs ocamlPackages_4_01_0;