diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 48b11fa99..3cb4789a9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.9.16.1-4"
-export PIKA_PACKAGE_NAME="chromium-bsu"
+export PIKA_PACKAGE_VERSION="0.9.15-2"
+export PIKA_PACKAGE_NAME="gauche"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"