diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e81c74d43..c4111605d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.16.1-3"
-export PIKA_PACKAGE_NAME="rust-vm-memory"
+export PIKA_PACKAGE_VERSION="27~exp6"
+export PIKA_PACKAGE_NAME="gcc-mingw-w64"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"