diff --git a/modules/browsers/firefox.nix b/modules/browsers/firefox.nix
index 723ad633..a11d896c 100644
--- a/modules/browsers/firefox.nix
+++ b/modules/browsers/firefox.nix
@@ -48,14 +48,14 @@ in
             kagi-search
             userchrome-toggle-extended
             sidebery
-            # https://addons.mozilla.org/api/v5/addons/search/?q=mtab
+            # curl -sS https://addons.mozilla.org/api/v5/addons/search/\?q\=mtab | jq -r '.results[0].current_version.file'
             (buildFirefoxXpiAddon {
               pname = "mtab";
-              version = "1.3.7";
+              version = "1.5.9";
               addonId = "contact@maxhu.dev";
-              url = "https://addons.mozilla.org/firefox/downloads/file/4333689/mtab-1.3.7.xpi";
+              url = "https://addons.mozilla.org/firefox/downloads/file/4364715/mtab-1.5.9.xpi";
               #sha256 = lib.fakeSha256;
-              sha256 = "sha256-kKh6VBoqB4ODmKowyRaWjsazm4GQpk5gyzZdrLTi+mc=";
+              sha256 = "sha256-Tbp/LD13PGmBBzWWNHx/qaZwnACZUrBvsHem8zsuh+Y=";
               meta = with lib;
                 {
                   homepage = "https://github.com/maxhu08/mtab";