diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2344d6717..bc867b624 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.7.0-7"
-export PIKA_PACKAGE_NAME="tldr-py"
+export PIKA_PACKAGE_VERSION="6.6.1-1"
+export PIKA_PACKAGE_NAME="zope.testrunner"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"