diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f74c2c624..1a8ed5800 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.2-1"
-export PIKA_PACKAGE_NAME="python-jaraco.functools"
+export PIKA_PACKAGE_VERSION="6.0.0-1"
+export PIKA_PACKAGE_NAME="jaraco.context"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"