diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 18b7408fb..f4023ff6e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4-7"
-export PIKA_PACKAGE_NAME="python-tinycss"
+export PIKA_PACKAGE_VERSION="1.0.0-4"
+export PIKA_PACKAGE_NAME="python-requests-toolbelt"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"