diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e26093f69..0f6f6bdf2 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.26.3-2"
-export PIKA_PACKAGE_NAME="assertj-core"
+export PIKA_PACKAGE_VERSION="0.12-5"
+export PIKA_PACKAGE_NAME="mptcpd"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"