diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b2a030c62..ccbd1bc37 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.07-1"
-export PIKA_PACKAGE_NAME="libfeature-compat-class-perl"
+export PIKA_PACKAGE_VERSION="1.13.1-2"
+export PIKA_PACKAGE_NAME="scipy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"