diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 82ca7fc86..a6a377eec 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.8.0-3"
-export PIKA_PACKAGE_NAME="opsin"
+export PIKA_PACKAGE_VERSION="0.12.0+git20171224-4"
+export PIKA_PACKAGE_NAME="gnustep-dl2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"