diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 432f68bc7..ff4074d95 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.0-1"
-export PIKA_PACKAGE_NAME="rust-serde-bser"
+export PIKA_PACKAGE_VERSION="20250131"
+export PIKA_PACKAGE_NAME="hamradio-files"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"