diff --git a/pkgs/by-name/ow/owi/package.nix b/pkgs/by-name/ow/owi/package.nix
index 242170ef674d..696d58b7ad2b 100644
--- a/pkgs/by-name/ow/owi/package.nix
+++ b/pkgs/by-name/ow/owi/package.nix
@@ -15,14 +15,14 @@ let
 in
 ocamlPackages.buildDunePackage {
   pname = "owi";
-  version = "0.2-unstable-2025-12-01";
+  version = "0.2-unstable-2025-12-08";
 
   src = fetchFromGitHub {
     owner = "ocamlpro";
     repo = "owi";
-    rev = "92403520c3ad8ea1a57d734772e2c4c22589eca3";
+    rev = "b35dafd51853b40f6b403cc5c460bed8dd2c8027";
     fetchSubmodules = true;
-    hash = "sha256-cVkHaXBeTgfHKLCIB3sTEIqu2kvYmo3gi42tRn2DcaA=";
+    hash = "sha256-qYSn47I6slnJ6brXGc5KcbR2rlSwuTyqdPyNKs1uTsQ=";
   };
 
   nativeBuildInputs = with ocamlPackages; [