diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e4e5319ac..960886fe8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.5.0-2"
-export PIKA_PACKAGE_NAME="python-watcherclient"
+export PIKA_PACKAGE_VERSION="7.3.1-2"
+export PIKA_PACKAGE_NAME="python-inflect"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"