diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 82d9da8f0..d0a5e848f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4.9-1"
-export PIKA_PACKAGE_NAME="rust-leptonica-sys"
+export PIKA_PACKAGE_VERSION="0.4.9-3"
+export PIKA_PACKAGE_NAME="rust-mail-send"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"