diff --git a/pkgs/misc/vscode-extensions/default.nix b/pkgs/misc/vscode-extensions/default.nix
index 433371e079e0..475d18e3ac7b 100644
--- a/pkgs/misc/vscode-extensions/default.nix
+++ b/pkgs/misc/vscode-extensions/default.nix
@@ -76,8 +76,8 @@ in
     mktplcRef = {
       name = "language-haskell";
       publisher = "justusadam";
-      version = "2.6.0"; # see the note above
-      sha256 = "1891pg4x5qkh151pylvn93c4plqw6vgasa4g40jbma5xzq8pygr4";
+      version = "3.0.3";
+      sha256 = "1sg4g8h1gww4y67zix5f33v2gf121k2fcm6l1m7lygpkn40a8dsj";
     };
     meta = {
       license = stdenv.lib.licenses.bsd3;