diff --git a/configuration.nix b/configuration.nix
index febf4cb..f9d957b 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -57,6 +57,7 @@
     php # does PHP 8.2 currently and there's php81, php83, and php84 alternatives
     python3
     recoll
+    reveal-md
     samba
     slack
     signal-desktop