diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8885e92ae..38dce8d43 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="8.5.0-1"
-export PIKA_PACKAGE_NAME="rust-rust-embed-utils"
+export PIKA_PACKAGE_VERSION="0.99.18-2"
+export PIKA_PACKAGE_NAME="rust-derive-more-0.99"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"