diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a44464f26..067a546da 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="12.0.0-3"
-export PIKA_PACKAGE_NAME="mingw-w64"
+export PIKA_PACKAGE_VERSION="6.0.49-1"
+export PIKA_PACKAGE_NAME="tryton-server"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"