diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f6251da72..0a3267f84 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.7-6-1"
-export PIKA_PACKAGE_NAME="r-cran-rrcov"
+export PIKA_PACKAGE_VERSION="6.1.1-1"
+export PIKA_PACKAGE_NAME="r-cran-mclust"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"