diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6ece9b2fb..3160a0c7f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.12-2"
-export PIKA_PACKAGE_NAME="muparserx"
+export PIKA_PACKAGE_VERSION="3.a2.ds2-10.1"
+export PIKA_PACKAGE_NAME="hping3"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"