diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 31c65edc7..069f8ea8f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="9.2.10+dfsg-2"
-export PIKA_PACKAGE_NAME="starlink-ast"
+export PIKA_PACKAGE_VERSION="0.9.18.6-1"
+export PIKA_PACKAGE_NAME="haskell-deferred-folds"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"