diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dcf1d738c..6ebc8d93f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.0.3-1"
-export PIKA_PACKAGE_NAME="haskell-singletons"
+export PIKA_PACKAGE_VERSION="0.8.8-1"
+export PIKA_PACKAGE_NAME="haskell-tagged"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"