diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 49ee5a629..0ff824cb0 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.72.6-1"
-export PIKA_PACKAGE_NAME="php-nesbot-carbon"
+export PIKA_PACKAGE_VERSION="0.3.3-1"
+export PIKA_PACKAGE_NAME="rust-tower-layer"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"