diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d9cb39ded..01a56b773 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.10-5"
-export PIKA_PACKAGE_NAME="flask-restful"
+export PIKA_PACKAGE_VERSION="0.26.4-1"
+export PIKA_PACKAGE_NAME="python-datamodel-code-generator"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"