diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d3d45a3ee..9563da41b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.1-2-1"
-export PIKA_PACKAGE_NAME="r-cran-spatstat.data"
+export PIKA_PACKAGE_VERSION="1.1.0-1"
+export PIKA_PACKAGE_NAME="unicode-rbnf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"