diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d4e99c877..62da44d77 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.23.0-1"
-export PIKA_PACKAGE_NAME="python-dunamai"
+export PIKA_PACKAGE_VERSION="0.22.0-1"
+export PIKA_PACKAGE_NAME="rust-jj-lib-proc-macros"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"