diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index fcb3ea4cb..c3eee08af 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.050000-2"
-export PIKA_PACKAGE_NAME="libsub-handlesvia-perl"
+export PIKA_PACKAGE_VERSION="0.012-1"
+export PIKA_PACKAGE_NAME="libextutils-builder-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"