diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d56d26c6b..62b12bb58 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.1.0-3"
-export PIKA_PACKAGE_NAME="ol-notmuch"
+export PIKA_PACKAGE_VERSION="0.5.1+20240829-2"
+export PIKA_PACKAGE_NAME="helvum"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"