diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index a6ce4d27ebf1..80d336fb394f 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1715,8 +1715,8 @@ let
         mktplcRef = {
           name = "ocaml-platform";
           publisher = "ocamllabs";
-          version = "1.8.4";
-          sha256 = "sha256-T1eYAuYMv4B7rdECxYzNfIpydjzCDjeo7gmb1uhr6VM=";
+          version = "1.10.4";
+          sha256 = "sha256-Qk4wD6gh/xvH6nFBonje4Stz6Y6yaIyxx1TdAXQEycM=";
         };
       };