diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 23c90e797a1d..d44b3576ed1a 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1215,8 +1215,8 @@ let
         mktplcRef = {
           name = "flutter";
           publisher = "dart-code";
-          version = "3.136.0";
-          hash = "sha256-RK493qHjEK/k8oy/OIzO3bvNnFo+ZftQhZMIAmBCaJk=";
+          version = "3.138.0";
+          hash = "sha256-FkaUKApoN6e8ET2o/71GVhyNWdZ34t6fqEzlraH7QBc=";
         };
 
         meta.license = lib.licenses.mit;