diff --git a/hosts/krypton/programs.nix b/hosts/krypton/programs.nix
index b9aeb10..54dcb80 100644
--- a/hosts/krypton/programs.nix
+++ b/hosts/krypton/programs.nix
@@ -22,6 +22,8 @@
     wireshark
     tcpdump
     nmap
+
+    okular
   ];
 
   # Wireshark