diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2a0380620..70d072d64 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.16.1-1"
-export PIKA_PACKAGE_NAME="bird2"
+export PIKA_PACKAGE_VERSION="0.38-4"
+export PIKA_PACKAGE_NAME="libmousex-getopt-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"