diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c178e8006..d295403e3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.24.9+dfsg-1"
-export PIKA_PACKAGE_NAME="nix"
+export PIKA_PACKAGE_VERSION="5.1.4-1"
+export PIKA_PACKAGE_NAME="fcitx5-libthai"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"