diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index ab54a6f1fd86..2f5c29cf3167 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1193,8 +1193,8 @@ let
         mktplcRef = {
           name = "flutter";
           publisher = "dart-code";
-          version = "3.118.0";
-          hash = "sha256-mjGDQslTcWnT0gQ+1l1LXR/eWc335dJljlbvSHvCxNk=";
+          version = "3.120.0";
+          hash = "sha256-P3kn4hqmIamEH6c+TAq9fAQmSomRLSRghJ4uhKnWqn4=";
         };
 
         meta.license = lib.licenses.mit;