diff --git a/packages/orb.0.0.1/opam b/packages/orb.0.0.1/opam
new file mode 100644
index 0000000..5728dc5
--- /dev/null
+++ b/packages/orb.0.0.1/opam
@@ -0,0 +1,26 @@
+opam-version: "2.0"
+name: "orb"
+version: "0.1"
+synopsis: "Check opam package reproducibility"
+maintainer: "Raja Boujbel <rjbou@ocamlpro.com>"
+authors: "Raja Boujbel <rjbou@ocamlpro.com>"
+homepage: "https://github.com/rjbou/orb"
+bug-reports: "https://github.com/rjbou/orb/issues"
+depends: [
+  "dune" {>= "2.0"}
+  "cmdliner" {>= "1.0"}
+  "opam-client" {>= "2.1.0~beta4"}
+  "opam-repository" {>= "2.1.0~beta4"}
+  "opam-core" {>= "2.1.0~beta4"}
+  "opam-format" {>= "2.1.0~beta4"}
+  "opam-solver" {>= "2.1.0~beta4"}
+  "opam-state" {>= "2.1.0~beta4"}
+]
+build: [
+  ["dune" "subst"] {dev}
+  ["dune" "build" "-p" name "-j" jobs]
+]
+dev-repo: "git+https://github.com/rjbou/orb.git"
+url {
+  src: "git+https://github.com/hannesm/orb.git#next"
+}