diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f09c998da..4e74f4bbd 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="20241007+ds1-1"
-export PIKA_PACKAGE_NAME="mbuffer"
+export PIKA_PACKAGE_VERSION="0.83-2"
+export PIKA_PACKAGE_NAME="putty"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"