diff --git a/pkgs/servers/caddy/default.nix b/pkgs/servers/caddy/default.nix
index b4cd637d3d02..9ada37768ad1 100644
--- a/pkgs/servers/caddy/default.nix
+++ b/pkgs/servers/caddy/default.nix
@@ -43,8 +43,12 @@ buildGoModule {
     substituteInPlace $out/lib/systemd/system/caddy.service --replace "/usr/bin/caddy" "$out/bin/caddy"
     substituteInPlace $out/lib/systemd/system/caddy-api.service --replace "/usr/bin/caddy" "$out/bin/caddy"
 
+    $out/bin/caddy manpage --directory manpages
+    installManPage manpages/*
+
     installShellCompletion --cmd metal \
       --bash <($out/bin/caddy completion bash) \
+      --fish <($out/bin/caddy completion fish) \
       --zsh <($out/bin/caddy completion zsh)
   '';