diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e914c8cb5..8602e34de 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.7.2+ds-1"
-export PIKA_PACKAGE_NAME="ruby-rugged"
+export PIKA_PACKAGE_VERSION="1.4-3"
+export PIKA_PACKAGE_NAME="emacs-corfu"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"