diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 38dce8d43..32d38485a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.99.18-2"
-export PIKA_PACKAGE_NAME="rust-derive-more-0.99"
+export PIKA_PACKAGE_VERSION="1.3.1-4"
+export PIKA_PACKAGE_NAME="rust-proc-macro-crate-1"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"