diff --git a/stackage.nix b/stackage.nix
index 3f04c00bb..397b68058 100644
--- a/stackage.nix
+++ b/stackage.nix
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 { nixpkgs ? import ./nixpkgs.nix
-, snapshot ? "lts-13.21"
+, snapshot ? "lts-18.0"
 }:
 
 let