diff --git a/packages/miou/miou.0.3.0/opam b/packages/miou/miou.0.3.0/opam
new file mode 100644
index 000000000000..8bf19f36b22e
--- /dev/null
+++ b/packages/miou/miou.0.3.0/opam
@@ -0,0 +1,37 @@
+opam-version: "2.0"
+maintainer:   "Romain Calascibetta <romain.calascibetta@gmail.com>"
+authors:      "Romain Calascibetta <romain.calascibetta@gmail.com>"
+homepage:     "https://git.robur.coop/robur/miou"
+bug-reports:  "https://git.robur.coop/robur/miou/issues"
+dev-repo:     "git+https://github.com/robur-coop/miou.git"
+doc:          "https://docs.osau.re/miou/"
+license:      "MIT"
+synopsis:     "Composable concurrency primitives for OCaml"
+
+build: [ "dune" "build" "-p" name "-j" jobs ]
+run-test: [ "dune" "runtest" "-p" name "-j" jobs ]
+
+depends: [
+  "ocaml"             {>= "5.0.0"}
+  "dune"              {>= "2.8.0"}
+  "dscheck"           {with-test & >= "0.4.0"}
+  "digestif"          {with-test}
+  "happy-eyeballs"    {with-test & >= "0.6.0"}
+  "dns-client"        {with-test}
+  "hxd"               {with-test}
+  "mirage-crypto-rng" {with-test}
+  "ipaddr"            {with-test}
+  "logs"              {with-test & >= "0.7.0"}
+  "dns"               {with-test}
+  "dns-client"        {with-test}
+  "mtime"             {with-test & >= "2.0.0"}
+]
+url {
+  src:
+    "https://github.com/robur-coop/miou/releases/download/v0.3.0/miou-0.3.0.tbz"
+  checksum: [
+    "sha256=9231806e6d60945e36ee060e5ca4a881bf87a60510a8ae5fa8bf45d3a16d0b84"
+    "sha512=cfac5caaa2fdcc3b572c6a541270ffbe9540e2fc35aa4ef7d84390a4d87f81214f69828642d1b84698c1798de8553f7d7cc5fe88d5dd68a12b694b7ba565b3b2"
+  ]
+}
+x-commit-hash: "71ff559afff880ec4f280fc6b78e7c46e7801995"