diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d84674d3a..ae69e5a05 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.0~git20240625.87b04d5-1"
-export PIKA_PACKAGE_NAME="golang-github-tdewolff-argp"
+export PIKA_PACKAGE_VERSION="0.15-3"
+export PIKA_PACKAGE_NAME="m-buffer-el"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"