diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7aead2c8c..19849ba3e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.0-6"
-export PIKA_PACKAGE_NAME="rust-loopdev"
+export PIKA_PACKAGE_VERSION="0.8.4-1"
+export PIKA_PACKAGE_NAME="rust-num-bigint-dig"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"