1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/containers/default.nix b/pkgs/development/ocaml-modules/containers/default.nix
index c3847acb9594..b0df52061520 100644
--- a/pkgs/development/ocaml-modules/containers/default.nix
+++ b/pkgs/development/ocaml-modules/containers/default.nix
@@ -5,7 +5,7 @@
 }:
 
 buildDunePackage rec {
-  version = "3.0.1";
+  version = "3.4";
   pname = "containers";
 
   useDune2 = true;
@@ -14,7 +14,7 @@ buildDunePackage rec {
     owner = "c-cube";
     repo = "ocaml-containers";
     rev = "v${version}";
-    sha256 = "1m19cfcwks3xcj16nqldfb49dg0vdc7by1q1j8bpac3z2mjvks0l";
+    sha256 = "0ixpy81p6rc3lq71djfndb2sg2hfj20j1jbzzrrmgqsysqdjsgzz";
   };
 
   buildInputs = [ dune-configurator ];