diff --git a/Casks/t/thunderbird.rb b/Casks/t/thunderbird.rb
index 7b931212b6..c12cc23d63 100644
--- a/Casks/t/thunderbird.rb
+++ b/Casks/t/thunderbird.rb
@@ -1,68 +1,68 @@
 cask "thunderbird" do
-  version "115.4.2"
+  version "115.4.3"
 
   language "cs" do
-    sha256 "0767d948a45cbbae41cd21f55d5e510c4922d5253dc6acae253cc6554cbeb021"
+    sha256 "ce03fead4937e9cb526f925ca9b0e01f2a4ecd1ee7b77691b966cfec87f85cc7"
     "cs"
   end
   language "de" do
-    sha256 "16435b4f14945a4b3603e6f5e1ac2766a9e98b1411baab0afbf8108952ecd31a"
+    sha256 "d4721da2ff9014738ea584937f7bc4e14e5a02343e742f2ebd84a8fc5244636e"
     "de"
   end
   language "en-GB" do
-    sha256 "86f8c473c591da499a83eab61b5062dbece2d6c558f0d01989dfb959a4d35bc7"
+    sha256 "6efcedb90d1d68b0751f8b1fea91fc473f418bdc1cf16653691395d9b7e7e65f"
     "en-GB"
   end
   language "en", default: true do
-    sha256 "a34260e5d47132b79ee11a817f7df39f9d5908e07e86b32cf59c41ec5f376f22"
+    sha256 "540b7800b9a75a3b79464c3632607d9f905c32959fa23e184897b09fb0dc189c"
     "en-US"
   end
   language "fr" do
-    sha256 "be7bdf2500cd1b7b28e55d886ec335ae15599af6d6adace4e65beebf8a73b9b2"
+    sha256 "b848a69a5b019b4635bb09f9df67b897dabce8c81fafa8755349491aa91559ba"
     "fr"
   end
   language "gl" do
-    sha256 "8503ea15212bdacff693b78d39ba1d4987c20d164244a4c606a7a9f613572d38"
+    sha256 "85f0eb197ea864de6804aae81f5cf5eb83541965fa2623d05f704efe91280999"
     "gl"
   end
   language "it" do
-    sha256 "abd221143125b682c42b17aa8937e0654487c0e5ac865a8c671fe9aa0dbdfe00"
+    sha256 "12ccf9b22d5f100d8e09151f2acdded5dcc0e39ca340ad9f9014a807772401af"
     "it"
   end
   language "ja" do
-    sha256 "e6dc5ea5f08852f4ad26c451d9613aca9fa5ba3dd2bfe9a660f41320213ab7af"
+    sha256 "dbae50f7c82b6f1347ddf304d826a7e9a3530f3c100e4a99bfdda7128ff79b02"
     "ja-JP-mac"
   end
   language "nl" do
-    sha256 "f9a61650975c7adc4185b89658436b8dbaf488892cbd616814eeead784824304"
+    sha256 "9275abd539b6a522f831786b17b6d7dbd7625018e1464bcda833f117f51f7744"
     "nl"
   end
   language "pl" do
-    sha256 "6f0f2f7a94b220854cd1d93b64eaabc4ce266e8744f62d0c8f1cf99098ef1c7d"
+    sha256 "2be9375b5fdf0188808bcc1927ee7835370a05c3a8415baaf58439cb56557a66"
     "pl"
   end
   language "pt" do
-    sha256 "ff52738b95c0507ba620bc1a2b8b58ab72969fd5d8cefd14d31825b9e69ac483"
+    sha256 "3c053cba889d1dd52dbfaf9acd9c9ea4be5a47b0c7e3346c510086bded5b8153"
     "pt-PT"
   end
   language "pt-BR" do
-    sha256 "7a9469dc37383d9249ea6503d816c2ca61eac079bb23a42805696fafee9dcb53"
+    sha256 "ec4def3a8e672ec9efcdead000a616336a8d57c332f174826886c44587276356"
     "pt-BR"
   end
   language "ru" do
-    sha256 "dffb57c1ded40cbd86e1c2a98c3d9806d2de406355a78f88e6e7d9a46da7e38d"
+    sha256 "3cb074c62c3ceffd43eb21074389bdde0793b260b73b91720e876626de06b270"
     "ru"
   end
   language "uk" do
-    sha256 "8200a065d74f4ba79e58da5773b4284be27b111eb1e2a9700c724c0ec36438a9"
+    sha256 "302b47b7b9419f6ea445861dbea1527d0e8361b6a276217193989648a15b4ce7"
     "uk"
   end
   language "zh-TW" do
-    sha256 "10bea561530939dfeaf88142ce1e1384eec0b7da7f53651b99f617437d9b36e2"
+    sha256 "2c58cd72b3b0e789abe42b85cfd83417d19a792267c9b274f2f86b4434f8539f"
     "zh-TW"
   end
   language "zh" do
-    sha256 "24164deffa1d95a9f9ead7d035c63dac3b736525e09719bffc09cb2f8a8ecf26"
+    sha256 "2d309783f9f584004585d27cc6eb4a02f134e1bbc377f17b0aeb529f54a44fbc"
     "zh-CN"
   end