diff --git a/packages/checked_oint/checked_oint.0.4.1/opam b/packages/checked_oint/checked_oint.0.4.1/opam
new file mode 100644
index 00000000000..875c50e81d7
--- /dev/null
+++ b/packages/checked_oint/checked_oint.0.4.1/opam
@@ -0,0 +1,41 @@
+# This file is generated by dune, edit dune-project instead
+opam-version: "2.0"
+synopsis: "An OCaml library for checked integer arithmetic"
+maintainer: ["hirrolot <hirrolot@gmail.com>"]
+authors: ["hirrolot <hirrolot@gmail.com>"]
+license: "MIT"
+homepage: "https://github.com/hirrolot/checked_oint"
+bug-reports: "https://github.com/hirrolot/checked_oint/issues"
+depends: [
+  "ocaml" {>= "4.13"}
+  "dune" {>= "3.14"}
+  "ppx_deriving"
+  "ppx_enumerate"
+  "bisect_ppx"
+  "alcotest" {>= "1.7.0"}
+  "odoc" {with-doc}
+]
+available: arch != "arm32" & arch != "x86_32"
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/hirrolot/checked_oint.git"
+url {
+  src:
+    "https://github.com/hirrolot/checked_oint/releases/download/v0.4.1/checked_oint-0.4.1.tar.gz"
+  checksum: [
+    "md5=b480b179cbf345bb7c2e8400561cb725"
+    "sha512=1bb1de3bc4f812fc00e98c51d2a01697b3edb9be7cf14969ccd9e1e7a41f4e94d6a78c293053b3fe4387393446ac021912d56aaef4e1049f952bf265d3e47111"
+  ]
+}