diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3ebac0015..19c926ff6 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.7.3-5"
-export PIKA_PACKAGE_NAME="haskell-void"
+export PIKA_PACKAGE_VERSION="1.0.0.10-3"
+export PIKA_PACKAGE_NAME="haskell-setlocale"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"