diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0db1f3a8e..a8648e4ec 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.12.3-3"
-export PIKA_PACKAGE_NAME="python-sidpy"
+export PIKA_PACKAGE_VERSION="8.6.2-2"
+export PIKA_PACKAGE_NAME="msc-generator"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"