diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index df932ccc4..8fd60ca80 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="7.0.12.6-1"
-export PIKA_PACKAGE_NAME="haskell-happstack-jmacro"
+export PIKA_PACKAGE_VERSION="0.1.1.0-4"
+export PIKA_PACKAGE_NAME="haskell-mono-traversable-instances"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"