diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3f47d406f..2aca8a2d4 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.101.0-1"
-export PIKA_PACKAGE_NAME="golang-github-go-quicktest-qt"
+export PIKA_PACKAGE_VERSION="3.9.1-4"
+export PIKA_PACKAGE_NAME="postfix"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"