diff --git a/flake.nix b/flake.nix
index eef5aba..5308a7a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,6 +68,10 @@
           vale
         ];
 
+      checks = {
+        vale = {vale, ...}: "${vale}/bin/vale src/ book/src/ CHANGELOG.md README.md book/README.md";
+      };
+
       homeModules = {
         default = {
           pkgs,