diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7f0015141..5a068bc08 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.0-7"
-export PIKA_PACKAGE_NAME="python-nacl"
+export PIKA_PACKAGE_VERSION="4.1.0-1"
+export PIKA_PACKAGE_NAME="ruby-default-value-for"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"