diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9e2b26821..2ca354ad9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="7.0.0-3"
-export PIKA_PACKAGE_NAME="tryton-modules-purchase-invoice-line-standalone"
+export PIKA_PACKAGE_VERSION="2:1.8.10-1"
+export PIKA_PACKAGE_NAME="libx11"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"