diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 197bef8d7..8c5d85fed 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.0+dfsg-1"
-export PIKA_PACKAGE_NAME="r-cran-crul"
+export PIKA_PACKAGE_VERSION="3.1.0-2"
+export PIKA_PACKAGE_NAME="colorcet"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"