diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ffda1f7b6..2442163f3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.0-1"
-export PIKA_PACKAGE_NAME="r-cran-fastmap"
+export PIKA_PACKAGE_VERSION="6.4.4.2-8"
+export PIKA_PACKAGE_NAME="gpsman"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"