diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a837045c5..d84c58a09 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.8.0+250314+repack-1"
-export PIKA_PACKAGE_NAME="wsjtx-improved"
+export PIKA_PACKAGE_VERSION="13.3.0-13"
+export PIKA_PACKAGE_NAME="gcc-13"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"