diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 11a85201b..95ba9a6fe 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.23.12-1"
-export PIKA_PACKAGE_NAME="ruby-protocol-http"
+export PIKA_PACKAGE_VERSION="0.29-2"
+export PIKA_PACKAGE_NAME="libnamespace-autoclean-perl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"