diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2d75f3e61..07b80c6c3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="9.6.6-2"
-export PIKA_PACKAGE_NAME="haskell-hadrian"
+export PIKA_PACKAGE_VERSION="2.2.1-1"
+export PIKA_PACKAGE_NAME="python-ratelimit"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"