diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0c6cfc533..3c8a87990 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.4-1"
-export PIKA_PACKAGE_NAME="ruby-jsonb-accessor"
+export PIKA_PACKAGE_VERSION="12.16.0-1"
+export PIKA_PACKAGE_NAME="pyqt5-sip"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"