diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 205837ea4..24d9cea6c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2-6"
-export PIKA_PACKAGE_NAME="jardiff"
+export PIKA_PACKAGE_VERSION="3.1.11-2"
+export PIKA_PACKAGE_NAME="libmodbus"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"