diff --git a/flake.nix b/flake.nix
index 7f15b2e..1c3cf43 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,6 +22,7 @@
             tsserver.enable = true;
             jsonls.enable = true;
             tailwindcss.enable = true;
+            cssls.enable = true;
           };
           cmp-spell.enable = true;
         };