diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3c2b447f1..702af9028 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.3.6-7"
-export PIKA_PACKAGE_NAME="haskell-soap"
+export PIKA_PACKAGE_VERSION="0.12.1-1"
+export PIKA_PACKAGE_NAME="rust-markup5ever"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"