diff --git a/pkgs/applications/editors/marker/default.nix b/pkgs/applications/editors/marker/default.nix
index c6779b8fba87..93b8dabb6814 100644
--- a/pkgs/applications/editors/marker/default.nix
+++ b/pkgs/applications/editors/marker/default.nix
@@ -1,5 +1,7 @@
-{ lib, stdenv
+{ stdenv
+, lib
 , fetchFromGitHub
+, itstool
 , meson
 , ninja
 , pkg-config
@@ -24,6 +26,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
+    itstool
     meson
     ninja
     pkg-config