diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 05c20ddbb..b3e08ebf7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="20240830-1"
-export PIKA_PACKAGE_NAME="tifffile"
+export PIKA_PACKAGE_VERSION="1.6.9+dfsg-1"
+export PIKA_PACKAGE_NAME="roundcube"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"