diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index da30672c5..7e95b7853 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.5.2-3"
-export PIKA_PACKAGE_NAME="rust-arrayvec-0.5"
+export PIKA_PACKAGE_VERSION="0.14.4-2"
+export PIKA_PACKAGE_NAME="rust-darling-0.14"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"