diff --git a/app/config.sh b/app/config.sh
index 4824390917..ef6734106c 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="102.10.0esr"
-GECKO_VERSION_LINUX="102.10.0esr"
-GECKO_VERSION_WIN="102.10.0esr"
+GECKO_VERSION_MAC="102.11.0esr"
+GECKO_VERSION_LINUX="102.11.0esr"
+GECKO_VERSION_WIN="102.11.0esr"
 RUST_VERSION=1.60.0
 
 # URL prefix for custom builds of Firefox components