diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a758b87d1..86484f4bb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.20.0-5"
-export PIKA_PACKAGE_NAME="notification-daemon"
+export PIKA_PACKAGE_VERSION="1.5+git20171107.9a20658-3"
+export PIKA_PACKAGE_NAME="libgzstream"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"