diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1e8f508f4..bc15b353c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.35.99-1"
-export PIKA_PACKAGE_NAME="quantlib"
+export PIKA_PACKAGE_VERSION="1.9.1.3-2"
+export PIKA_PACKAGE_NAME="haskell-xml-conduit"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"