diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 52a735f71..5ba7d32cd 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.32-1"
-export PIKA_PACKAGE_NAME="libnet-z3950-zoom-perl"
+export PIKA_PACKAGE_VERSION="0.3.12-3"
+export PIKA_PACKAGE_NAME="rust-pep440-rs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"