diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a8aecc692..d21673c8d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.6.2-3"
-export PIKA_PACKAGE_NAME="haskell-newtype-generics"
+export PIKA_PACKAGE_VERSION="9.5.0.0-3"
+export PIKA_PACKAGE_NAME="haskell-hxt-charproperties"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"