diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fa83ef2b2..cc7deb75a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2:2.4.10-2"
-export PIKA_PACKAGE_NAME="sbcl"
+export PIKA_PACKAGE_VERSION="5.6.3-1"
+export PIKA_PACKAGE_NAME="xz-utils"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"