diff --git a/app/config.sh b/app/config.sh
index 538d7ba26e..5f3486bbb4 100644
--- a/app/config.sh
+++ b/app/config.sh
@@ -1,9 +1,9 @@
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 # Version of Gecko to build with
-GECKO_VERSION_MAC="115.9.1esr"
-GECKO_VERSION_LINUX="115.14.0esr"
-GECKO_VERSION_WIN="115.14.0esr"
+GECKO_VERSION_MAC="115.24.0esr"
+GECKO_VERSION_LINUX="115.24.0esr"
+GECKO_VERSION_WIN="115.24.0esr"
 RUST_VERSION=1.69.0
 
 # URL prefix for custom builds of Firefox components