diff --git a/flake.nix b/flake.nix
index b6209a9..acf11b3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -157,6 +157,7 @@
 
                           config = {
                             allowUnfree = true;
+                            firefox.speechSynthesisSupport = true;
                           };
                         };
                     }
@@ -263,6 +264,10 @@
                   just
                   pciutils
 
+                  (cryptsetup.override {
+                    withInternalArgon2 = true;
+                  })
+
                   disko.packages.${system}.disko
                 ];
               };