diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cba9766e2..a882bc429 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.1+20230710-5"
-export PIKA_PACKAGE_NAME="gnustep-corebase"
+export PIKA_PACKAGE_VERSION="1.0.1-5"
+export PIKA_PACKAGE_NAME="zoph"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"