diff --git a/pkgs/applications/terminal-emulators/iterm2/default.nix b/pkgs/applications/terminal-emulators/iterm2/default.nix
index 4b62044ba2a1..4431784db2b3 100644
--- a/pkgs/applications/terminal-emulators/iterm2/default.nix
+++ b/pkgs/applications/terminal-emulators/iterm2/default.nix
@@ -11,11 +11,11 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "iterm2";
-  version = "3.4.20";
+  version = "3.4.21";
 
   src = fetchzip {
     url = "https://iterm2.com/downloads/stable/iTerm2-${lib.replaceStrings ["."] ["_"] version}.zip";
-    hash = "sha256-RXBv3RXd2Kq8k7rbOE3HPEf6vI64VZCo1IX03gDy7l0=";
+    hash = "sha256-hx2d08U4AeRCLtSV3QBcnRu1QS0RblLx/LUH6HHdQvw=";
   };
 
   dontFixup = true;