diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 37a7e715c..2efd756d2 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.18.1-2"
-export PIKA_PACKAGE_NAME="python-apischema"
+export PIKA_PACKAGE_VERSION="0.19-2"
+export PIKA_PACKAGE_NAME="stgit"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"