diff --git a/codept.opam b/codept.opam
index d0b1f02..0d52a0b 100644
--- a/codept.opam
+++ b/codept.opam
@@ -5,7 +5,7 @@ author: "Florian Angeletti <octa@polychoron.fr>"
 maintainer: "Florian Angeletti <octa@polychoron.fr>"
 homepage: "https://github.com/Octachron/codept"
 bug-reports: "https://github.com/Octachron/codept/issues"
-license: "gpl-3"
+license: "GPL-3.0-or-later"
 dev-repo: "git+https://github.com/Octachron/codept.git"
 build: [
   ["dune" "build" "-p" name]
diff --git a/dune-project b/dune-project
index fc6842c..1d0e67d 100644
--- a/dune-project
+++ b/dune-project
@@ -12,7 +12,7 @@
 (package
   (name codept)
   (version 0.11.0)
-  (license gpl-3)
+  (license GPL-3.0-or-later)
   (synopsis "Alternative ocaml dependency analyzer")
   (depends dune menhir {build & >= 20180523})
   (description "Codept intends to be a dependency solver for OCaml project and an alternative to ocamldep. Compared to ocamldep, codept major features are: