diff --git a/darwin/homebrew.nix b/darwin/homebrew.nix
index efe6ac9..6bc77fb 100644
--- a/darwin/homebrew.nix
+++ b/darwin/homebrew.nix
@@ -56,6 +56,7 @@ in
     "element"
     "firefox"
     "gog-galaxy"
+    "jitsi-meet"
     "knockknock"
     "lagrange"
     "lulu"
@@ -63,8 +64,11 @@ in
     "obsidian"
     "rectangle"
     "signal"
+    "slack"
     "steam"
+    "twitch"
     "vscodium"
+    "zoom"
   ];
 
   # Configuration related to casks
diff --git a/modules/darwin/security/pam.nix b/modules/darwin/security/pam.nix
index 5a8620d..a3e19d8 100644
--- a/modules/darwin/security/pam.nix
+++ b/modules/darwin/security/pam.nix
@@ -20,19 +20,20 @@ let
     let
       file = "/etc/pam.d/sudo";
       option = "security.pam.enableSudoTouchIdAuth";
+      sed = "${pkgs.gnused}/bin/sed";
     in
     ''
       ${if isEnabled then ''
         # Enable sudo Touch ID authentication, if not already enabled
         if ! grep 'pam_tid.so' ${file} > /dev/null; then
-          sed -i "" '2i\
+          ${sed} -i '2i\
         auth       sufficient     pam_tid.so # nix-darwin: ${option}
           ' ${file}
         fi
       '' else ''
         # Disable sudo Touch ID authentication, if added by nix-darwin
         if grep '${option}' ${file} > /dev/null; then
-          sed -i "" '/${option}/d' ${file}
+          ${sed} -i '/${option}/d' ${file}
         fi
       ''}
     '';
@@ -43,7 +44,9 @@ in
     security.pam.enableSudoTouchIdAuth = mkEnableOption ''
       Enable sudo authentication with Touch ID
       When enabled, this option adds the following line to /etc/pam.d/sudo:
+
           auth       sufficient     pam_tid.so
+
       (Note that macOS resets this file when doing a system update. As such, sudo
       authentication with Touch ID won't work after a system update until the nix-darwin
       configuration is reapplied.)
diff --git a/overlays/colors/tokyonight.nix b/overlays/colors/tokyonight.nix
index e8ab6cf..8319b8e 100644
--- a/overlays/colors/tokyonight.nix
+++ b/overlays/colors/tokyonight.nix
@@ -85,11 +85,11 @@ rec {
     selection_foreground = "none";
 
     # Tab bar
-    tab_bar_background = "#28344a";
-    active_tab_foreground = "#787c99";
-    active_tab_background = "#3d59a1";
-    inactive_tab_foreground = "#16161e";
-    inactive_tab_background = "#9aa5ce";
+    tab_bar_background = "#e9e9ed";
+    active_tab_foreground = "#d4d6e4";
+    active_tab_background = "#2e7de9";
+    inactive_tab_foreground = "#8990b3";
+    inactive_tab_background = "#c4c8da";
     # black
     color0 = black;
     color8 = black;