diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6dbbe82d2..01a43ee2b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.5.20240906231108-1"
-export PIKA_PACKAGE_NAME="cwltest"
+export PIKA_PACKAGE_VERSION="1.81.90-2"
+export PIKA_PACKAGE_NAME="gjs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"