diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7def3c710..053da895a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.17.0-5"
-export PIKA_PACKAGE_NAME="reflect-cpp"
+export PIKA_PACKAGE_VERSION="1.59.3120-2"
+export PIKA_PACKAGE_NAME="64tass"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"