diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dad1f8691..b5ece63bf 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.022-1"
-export PIKA_PACKAGE_NAME="libextutils-builder-compiler-perl"
+export PIKA_PACKAGE_VERSION="47.0-2"
+export PIKA_PACKAGE_NAME="sysprof"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"