diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8c33f1e80..0c7f6899e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.28.17-4.1"
-export PIKA_PACKAGE_NAME="cups-filters"
+export PIKA_PACKAGE_VERSION="3.6-1"
+export PIKA_PACKAGE_NAME="python-imaplib2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"