diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 09fa35af3..3287628f9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.9.0-2"
-export PIKA_PACKAGE_NAME="rust-gdk4-x11-sys"
+export PIKA_PACKAGE_VERSION="3.1.0-1"
+export PIKA_PACKAGE_NAME="libnumber-fraction-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"