diff --git a/configuration.nix b/configuration.nix
index 1f0de0e..ea21ca8 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -222,6 +222,7 @@
     python313Packages.ipython
     geogebra
     ciscoPacketTracer8
+    thunderbird
   ];
 
   fonts.enableDefaultPackages = true;