diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f380d12b6..5a0959fd1 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.6.2-1"
-export PIKA_PACKAGE_NAME="golang-github-bugst-go-serial"
+export PIKA_PACKAGE_VERSION="0.5.3-2"
+export PIKA_PACKAGE_NAME="python-super-collections"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"