diff --git a/modules/tools.nix b/modules/tools.nix
index 68bdab2..1f382cb 100644
--- a/modules/tools.nix
+++ b/modules/tools.nix
@@ -26,6 +26,7 @@
     # encryption tools
     age # modern encryption tool
     rage # rust implementation of age
+    ssh-to-pgp # convert ssh host-key to pgp key
 
     # network tools
     dnsutils # dig