diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ae0cdba7b..07fbeaed8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.2-2.1"
-export PIKA_PACKAGE_NAME="rust-jemalloc-sys"
+export PIKA_PACKAGE_VERSION="1:26.1.0-1"
+export PIKA_PACKAGE_NAME="ironic"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"