diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 566db4324..6920bf05a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2024.8+ds2+~3.21.1+ds1-3"
-export PIKA_PACKAGE_NAME="cctbx"
+export PIKA_PACKAGE_VERSION="1.8.0-1"
+export PIKA_PACKAGE_NAME="r-cran-ps"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"