diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3a4b06240..a38d2c83e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="48.0-1"
-export PIKA_PACKAGE_NAME="sysprof"
+export PIKA_PACKAGE_VERSION="5.0a-17"
+export PIKA_PACKAGE_NAME="crack"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"