diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cfe55c4b2..a043fc788 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="20181227-2"
-export PIKA_PACKAGE_NAME="libfwsi"
+export PIKA_PACKAGE_VERSION="4.0.4-2"
+export PIKA_PACKAGE_NAME="calceph"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"