diff --git a/pkgs/development/ocaml-modules/awa/default.nix b/pkgs/development/ocaml-modules/awa/default.nix
index 4296261ba2a4..362edaa95b1a 100644
--- a/pkgs/development/ocaml-modules/awa/default.nix
+++ b/pkgs/development/ocaml-modules/awa/default.nix
@@ -8,13 +8,14 @@
 
 buildDunePackage rec {
   pname = "awa";
-  version = "0.1.0";
+  version = "0.1.1";
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/mirage/awa-ssh/releases/download/v${version}/awa-${version}.tbz";
-    sha256 = "sha256-aPnFDp52oYVHr/56lFw0gtVJ0KvHawyM5FGtpHPOVY8=";
+    hash = "sha256-ae1gTx3Emmkof/2Gnhq0d5RyfkFx21hHkVEVgyPdXuo=";
   };
 
   nativeBuildInputs = [ ppx_cstruct ];
diff --git a/pkgs/development/ocaml-modules/awa/lwt.nix b/pkgs/development/ocaml-modules/awa/lwt.nix
index ff8477273fc8..b155c1b6698c 100644
--- a/pkgs/development/ocaml-modules/awa/lwt.nix
+++ b/pkgs/development/ocaml-modules/awa/lwt.nix
@@ -7,6 +7,8 @@ buildDunePackage {
 
   inherit (awa) version src;
 
+  duneVersion = "3";
+
   propagatedBuildInputs = [
     awa cstruct mtime lwt mirage-crypto-rng
   ];
diff --git a/pkgs/development/ocaml-modules/awa/mirage.nix b/pkgs/development/ocaml-modules/awa/mirage.nix
index 8513e5741048..ebf3ad23fc5b 100644
--- a/pkgs/development/ocaml-modules/awa/mirage.nix
+++ b/pkgs/development/ocaml-modules/awa/mirage.nix
@@ -8,6 +8,8 @@ buildDunePackage {
 
   inherit (awa) version src;
 
+  duneVersion = "3";
+
   propagatedBuildInputs = [
     awa cstruct mtime lwt mirage-flow mirage-clock logs
     duration mirage-time