diff --git a/CHANGES b/CHANGES
index 3817138..5905b14 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,8 +1,9 @@
-0.4.3 (unreleased)
+0.4.3 (24-06-2021)
 =====
 * Split log string by lines before printing.
 * Cleanup daemon args.
 * Remove `conf_concurrent`
+* Added `conf_daemon_pidfile_perms`
 
 0.4.2 (27-02-2020)
 =====
diff --git a/dtools.opam b/dtools.opam
index 034b1c3..9b056a6 100644
--- a/dtools.opam
+++ b/dtools.opam
@@ -4,16 +4,17 @@ version: "0.4.3"
 synopsis: "Library providing various helper functions to make daemons"
 maintainer: ["Romain Beauxis <toots@rastageeks.org>"]
 authors: ["The Savonet Team <savonet-users@lists.sourceforge.net>"]
-license: "GPL"
+license: "GPL-2.0"
 homepage: "https://github.com/savonet/ocaml-dtools"
 bug-reports: "https://github.com/savonet/ocaml-dtools/issues"
 depends: [
   "ocaml" {>= "4.05.0"}
-  "dune" {>= "2.0"}
+  "dune" {>= "2.8"}
+  "odoc" {with-doc}
 ]
 depopts: ["syslog"]
 build: [
-  ["dune" "subst"] {pinned}
+  ["dune" "subst"] {dev}
   [
     "dune"
     "build"
diff --git a/dune-project b/dune-project
index 167c030..9ab74a3 100644
--- a/dune-project
+++ b/dune-project
@@ -1,9 +1,9 @@
-(lang dune 2.0)
+(lang dune 2.8)
 
 (name dtools)
 (version 0.4.3)
 (source (github savonet/ocaml-dtools))
-(license GPL)
+(license GPL-2.0)
 (authors "The Savonet Team <savonet-users@lists.sourceforge.net>")
 (maintainers "Romain Beauxis <toots@rastageeks.org>")
 
@@ -14,5 +14,5 @@
  (synopsis "Library providing various helper functions to make daemons")
  (depends
   (ocaml (>= 4.05.0))
-  (dune (>= 2.0)))
+  dune)
  (depopts syslog))