diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d6a2b5541..96980f1a0 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.1-5"
-export PIKA_PACKAGE_NAME="universal-detector"
+export PIKA_PACKAGE_VERSION="1.15.4-2"
+export PIKA_PACKAGE_NAME="python-makefun"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"