diff --git a/pkgs/misc/vscode-extensions/default.nix b/pkgs/misc/vscode-extensions/default.nix
index dc46a765ffdc..ec513c5a7b92 100644
--- a/pkgs/misc/vscode-extensions/default.nix
+++ b/pkgs/misc/vscode-extensions/default.nix
@@ -52,8 +52,8 @@ rec {
     mktplcRef = {
       name = "language-haskell";
       publisher = "justusadam";
-      version = "2.5.0"; # see the note above
-      sha256 = "10jqj8qw5x6da9l8zhjbra3xcbrwb4cpwc3ygsy29mam5pd8g6b3";
+      version = "2.6.0"; # see the note above
+      sha256 = "1891pg4x5qkh151pylvn93c4plqw6vgasa4g40jbma5xzq8pygr4";
     };
     meta = {
       license = stdenv.lib.licenses.bsd3;