diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f550160d9..300882062 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.18.10+ds-1"
-export PIKA_PACKAGE_NAME="ruamel.yaml"
+export PIKA_PACKAGE_VERSION="6.2.91-1"
+export PIKA_PACKAGE_NAME="plasma-activities"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"