diff --git a/flake.nix b/flake.nix
index 80fd241..a47699c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,6 +35,9 @@
             $out/bin/mciasctl completion zsh > $out/share/zsh/site-functions/_mciasctl
             $out/bin/mciasctl completion bash > $out/share/bash-completion/completions/mciasctl
             $out/bin/mciasctl completion fish > $out/share/fish/vendor_completions.d/mciasctl.fish
+            $out/bin/mciasgrpcctl completion zsh > $out/share/zsh/site-functions/_mciasgrpcctl
+            $out/bin/mciasgrpcctl completion bash > $out/share/bash-completion/completions/mciasgrpcctl
+            $out/bin/mciasgrpcctl completion fish > $out/share/fish/vendor_completions.d/mciasgrpcctl.fish
           '';
         };
       };