diff --git a/bin/bundle-appimage.sh b/bin/bundle-appimage.sh
index 5120d1b..1a94f3f 100755
--- a/bin/bundle-appimage.sh
+++ b/bin/bundle-appimage.sh
@@ -17,6 +17,8 @@ export UPINFO
 export DEPLOY_OPENGL=1
 export EXEC_WRAPPER=1
 export URUNTIME_PRELOAD=1
+# appimagetool reads VERSION for X-AppImage-Version, independently of OUTNAME.
+export VERSION="${GHOSTTY_VERSION}"
 export OUTNAME="Ghostty-${GHOSTTY_VERSION}-${ARCH}.AppImage"
 export DESKTOP="./ghostty-${GHOSTTY_VERSION}/zig-out/share/applications/com.mitchellh.ghostty.desktop"
 export ICON="./ghostty-${GHOSTTY_VERSION}/zig-out/share/icons/hicolor/256x256/apps/com.mitchellh.ghostty.png"