diff --git a/opam b/opam
index aba2cd0d..87ef5a48 100644
--- a/opam
+++ b/opam
@@ -1,13 +1,15 @@
-opam-version: "1"
-maintainer: "alain.frisch@lexifi.com"
-build: [
-  [make "all"]
-  [make "opt"]
-  [make "install"]
-]
+opam-version: "1.2"
+version: "1.99.3"
+maintainer: "Alain Frisch <alain.frisch@lexifi.com>"
+build: [ [make "all"]  [make "opt"] ]
+install: [make "install"]
 remove: [["ocamlfind" "remove" "sedlex"]]
-depends: ["ocamlfind" {>= "1.5.0"}
+depends: ["ocamlfind" {build}
           "ppx_tools" {>= "5.0"}
           "gen"
          ]
-ocaml-version: [>= "4.02.0"]
+available: [ ocaml-version >= "4.02.0" ]
+homepage: "https://github.com/alainfrisch/sedlex"
+bug-reports: "https://github.com/alainfrisch/sedlex/issues"
+license: "MIT"
+dev-repo: "https://github.com/alainfrisch/sedlex.git"