diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 831c96953..95d51d922 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.6.12-3"
-export PIKA_PACKAGE_NAME="haskell-crypton-x509-validation"
+export PIKA_PACKAGE_VERSION="0.1.3.1-1"
+export PIKA_PACKAGE_NAME="haskell-byte-order"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"