diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 19d644ed7..c57a35ef5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="9.1.5.2-14"
-export PIKA_PACKAGE_NAME="haskell-hxt-http"
+export PIKA_PACKAGE_VERSION="0.6.2.2-7"
+export PIKA_PACKAGE_NAME="haskell-xmlgen"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"