diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a318352cb..72cbdb01e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:9.6.0-2"
-export PIKA_PACKAGE_NAME="python-oslo.config"
+export PIKA_PACKAGE_VERSION="1.21+ds1-13"
+export PIKA_PACKAGE_NAME="webfs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"