diff --git a/app/config.sh b/app/config.sh
index e1c53dcf3d..6d1707441b 100644
--- a/app/config.sh
+++ b/app/config.sh
@@ -3,7 +3,7 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # Version of Gecko to build with
 GECKO_VERSION_MAC="115.9.1esr"
 GECKO_VERSION_LINUX="115.9.1esr"
-GECKO_VERSION_WIN="115.9.1esr"
+GECKO_VERSION_WIN="115.14.0esr"
 RUST_VERSION=1.69.0
 
 # URL prefix for custom builds of Firefox components
diff --git a/app/win/zotero.exe.tar.xz b/app/win/zotero.exe.tar.xz
index f0f1374670..bb65e1eb9d 100644
--- a/app/win/zotero.exe.tar.xz
+++ b/app/win/zotero.exe.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c7e9c040545a105db11bdfe64d8d6e7ba8a9011a22199989eb0cdf5afd5e637a
-size 507416
+oid sha256:b676ce06f149e296b294cfea72003797eb53f874bcf3786e496191f38e5688e9
+size 499708