diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 533b0bc07..95fa42815 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.7.6-1"
-export PIKA_PACKAGE_NAME="php-ramsey-uuid"
+export PIKA_PACKAGE_VERSION="0.17.0-1"
+export PIKA_PACKAGE_NAME="ocaml-zarith-stubs-js"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"