diff --git a/firefox_updates.json b/firefox_updates.json
index 3652548..e1f56b6 100644
--- a/firefox_updates.json
+++ b/firefox_updates.json
@@ -140,6 +140,11 @@
                     "version": "4.2.3",
                     "update_link": "https://github.com/Mist-Automation-Programmability/mist_browser_extension/releases/download/4.2.3/mist_extension-4.2.3.xpi",
                     "update_info_url": "https://github.com/Mist-Automation-Programmability/mist_browser_extension/releases/tag/4.2.3"
+                },
+                {
+                    "version": "4.2.4",
+                    "update_link": "https://github.com/Mist-Automation-Programmability/mist_browser_extension/releases/download/4.2.4/mist_extension-4.2.4.xpi",
+                    "update_info_url": "https://github.com/Mist-Automation-Programmability/mist_browser_extension/releases/tag/4.2.4"
                 }
             ]
         }