diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 494c391b1..e127d0379 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.9.15+~6.4.16-1"
-export PIKA_PACKAGE_NAME="node-nodemailer"
+export PIKA_PACKAGE_VERSION="0.6.6-1"
+export PIKA_PACKAGE_NAME="haskell-deriving-compat"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"