diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7e99b4546..e0a9e7fb3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.16-1"
-export PIKA_PACKAGE_NAME="rust-malachite-base"
+export PIKA_PACKAGE_VERSION="2024.09.22"
+export PIKA_PACKAGE_NAME="debian-keyring"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"