diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9e3956b59..f7bdced36 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.15.13-3"
-export PIKA_PACKAGE_NAME="qtwayland-opensource-src"
+export PIKA_PACKAGE_VERSION="2.1.20-2"
+export PIKA_PACKAGE_NAME="xpa"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"