diff --git a/nix/user/nvim.nix b/nix/user/nvim.nix
index 004eab6..a65c307 100644
--- a/nix/user/nvim.nix
+++ b/nix/user/nvim.nix
@@ -29,6 +29,7 @@
       cmp-path
       cmp-cmdline
       cmp-nvim-lsp
+      cmp-nvim-lsp-signature-help
       cmp_yanky
       cmp-git
       nvim-lspconfig