diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 524244eaa..3ec8ea45c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2024.10.28+ds-1"
-export PIKA_PACKAGE_NAME="python-parsl"
+export PIKA_PACKAGE_VERSION="6.0.1-1"
+export PIKA_PACKAGE_NAME="python-icalendar"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"