diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 64ea6fda8..785f44b15 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4.1-2"
-export PIKA_PACKAGE_NAME="lxqt-qt5plugin"
+export PIKA_PACKAGE_VERSION="2.22.1-2"
+export PIKA_PACKAGE_NAME="ensmallen"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"