diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4e8f5c44a..29a780d7d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.9.1-1"
-export PIKA_PACKAGE_NAME="python-utils"
+export PIKA_PACKAGE_VERSION="1.12-1"
+export PIKA_PACKAGE_NAME="libtest-inter-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"