diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ef0bfa58e..8a5686b26 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.8-4"
-export PIKA_PACKAGE_NAME="haskell-xml-types"
+export PIKA_PACKAGE_VERSION="0.5.8.3-3"
+export PIKA_PACKAGE_NAME="haskell-cereal"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"