diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c68d53eb7..600ca1301 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.45-2"
-export PIKA_PACKAGE_NAME="scalene"
+export PIKA_PACKAGE_VERSION="27~exp1"
+export PIKA_PACKAGE_NAME="gcc-mingw-w64"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"