diff --git a/packages/ppx_deriving/ppx_deriving.4.4/opam b/packages/ppx_deriving/ppx_deriving.4.4/opam
new file mode 100644
index 000000000000..92b3357238cf
--- /dev/null
+++ b/packages/ppx_deriving/ppx_deriving.4.4/opam
@@ -0,0 +1,35 @@
+opam-version: "2.0"
+maintainer: "whitequark <whitequark@whitequark.org>"
+authors: [ "whitequark <whitequark@whitequark.org>" ]
+license: "MIT"
+homepage: "https://github.com/ocaml-ppx/ppx_deriving"
+doc: "https://ocaml-ppx.github.io/ppx_deriving/"
+bug-reports: "https://github.com/ocaml-ppx/ppx_deriving/issues"
+dev-repo: "git+https://github.com/ocaml-ppx/ppx_deriving.git"
+tags: [ "syntax" ]
+build: [
+  ["dune" "subst"] {pinned}
+  ["dune" "build" "-p" name "-j" jobs]
+  ["dune" "runtest" "-p" name "-j" jobs] {with-test & ocaml:version >= "4.03"}
+  ["dune" "build" "@doc" "-p" name "-j" jobs] {with-doc}
+]
+depends: [
+  "dune"     {build >= "1.6.3"}
+  "cppo"     {build}
+  "ppxfind"  {build}
+  "ocaml-migrate-parsetree"
+  "ppx_derivers"
+  "ppx_tools"  {>= "4.02.3"}
+  "result"
+  "ounit"      {with-test}
+  "ocaml" {>= "4.02" & < "4.08.0"}
+]
+synopsis: "Type-driven code generation for OCaml >=4.02.2"
+description: """
+ppx_deriving provides common infrastructure for generating
+code based on type definitions, and a set of useful plugins
+for common tasks.
+"""
+url {
+  src: "https://github.com/ocaml-ppx/ppx_deriving/archive/v4.4.tar.gz"
+  checksum: "sha256=c2d85af4cb65a1f163f624590fb0395a164bbfd0d05082092526b669e66bcc34"}