diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3f12b34de..16ce10a3e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.5+ds-1"
-export PIKA_PACKAGE_NAME="mapnik"
+export PIKA_PACKAGE_VERSION="0.0.20-1"
+export PIKA_PACKAGE_NAME="r-cran-rcppspdlog"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"