1 files changed, 4 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/containers/default.nix b/nixpkgs/pkgs/development/ocaml-modules/containers/default.nix
index de6c8076ceda..281fbfbfde87 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/containers/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/containers/default.nix
@@ -1,11 +1,11 @@
 { lib, fetchFromGitHub, buildDunePackage, ocaml
 , dune-configurator
-, seq
+, either, seq
 , gen, iter, ounit, qcheck, uutf
 }:
 
 buildDunePackage rec {
-  version = "3.4";
+  version = "3.6.1";
   pname = "containers";
 
   useDune2 = true;
@@ -14,11 +14,11 @@ buildDunePackage rec {
     owner = "c-cube";
     repo = "ocaml-containers";
     rev = "v${version}";
-    sha256 = "0ixpy81p6rc3lq71djfndb2sg2hfj20j1jbzzrrmgqsysqdjsgzz";
+    sha256 = "sha256:1k8xrs3nki8g875sig9f5v6k4vwxrk5gn7ixrlkkys5ksbr4kis7";
   };
 
   buildInputs = [ dune-configurator ];
-  propagatedBuildInputs = [ seq ];
+  propagatedBuildInputs = [ either seq ];
 
   checkInputs = [ gen iter ounit qcheck uutf ];