diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9613c67ad..5ad0e0aa9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.8.14-1"
-export PIKA_PACKAGE_NAME="rust-rmp"
+export PIKA_PACKAGE_VERSION="1.39.3-3"
+export PIKA_PACKAGE_NAME="rust-tokio"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"