diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c11e60b96..e9c4df7b2 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.17+git.20190917.master.e464cf8-5"
-export PIKA_PACKAGE_NAME="python-libais"
+export PIKA_PACKAGE_VERSION="3.6-9"
+export PIKA_PACKAGE_NAME="mdp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"