diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b0d958292..f5d9ce59c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4:24.12.0-1"
-export PIKA_PACKAGE_NAME="kreversi"
+export PIKA_PACKAGE_VERSION="2.34.0-5"
+export PIKA_PACKAGE_NAME="swift"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"