diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index aac196ca9..9e821000b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.6.2-4"
-export PIKA_PACKAGE_NAME="qt6-tools"
+export PIKA_PACKAGE_VERSION="47~rc-1"
+export PIKA_PACKAGE_NAME="gnome-initial-setup"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"