diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5fe138df2..d024c3136 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.3.1-2"
-export PIKA_PACKAGE_NAME="python-aioserial"
+export PIKA_PACKAGE_VERSION="1.4.0-2"
+export PIKA_PACKAGE_NAME="rust-xcb"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"