diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5dbe16616..7c6832e22 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.16.0-1"
-export PIKA_PACKAGE_NAME="flatpak"
+export PIKA_PACKAGE_VERSION="1.15.2-1"
+export PIKA_PACKAGE_NAME="xdg-desktop-portal-gtk"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"