diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index bb20ea4f3..f9a95eda8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.23-1"
-export PIKA_PACKAGE_NAME="erlang-p1-acme"
+export PIKA_PACKAGE_VERSION="1.0.37-1"
+export PIKA_PACKAGE_NAME="erlang-p1-yaml"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"