diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9c66215fd..f4939dace 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.07-10.2"
-export PIKA_PACKAGE_NAME="xcolmix"
+export PIKA_PACKAGE_VERSION="0.13.2-1"
+export PIKA_PACKAGE_NAME="python-tomlkit"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"