diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 586597f421f8..d6c2b80d67e0 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -1813,8 +1813,8 @@ let
         mktplcRef = {
           name = "linter-gfortran";
           publisher = "fortran-lang";
-          version = "3.4.2025030111";
-          hash = "sha256-8gw7VAgT4+724cCjQcYESPTsnckd02vdBsCzskiZLKY=";
+          version = "4.0.0";
+          hash = "sha256-T9vhLrCMOmoXsVW9O/siwA/eAZagZoKsvinpWgIuAE0=";
         };
         meta = {
           changelog = "https://marketplace.visualstudio.com/items/fortran-lang.linter-gfortran/changelog";