diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 489cfd776..870c1dc2b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.5.16-3"
-export PIKA_PACKAGE_NAME="etcd"
+export PIKA_PACKAGE_VERSION="1.9.15-1"
+export PIKA_PACKAGE_NAME="r-cran-tmb"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"