diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index df221febf..fde9a0d1f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.6.22-2"
-export PIKA_PACKAGE_NAME="r-cran-doby"
+export PIKA_PACKAGE_VERSION="0.1-53-1"
+export PIKA_PACKAGE_NAME="r-cran-slam"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"