diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c85846cb2..bdb12f611 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="20.1.1-1.2"
-export PIKA_PACKAGE_NAME="mlucas"
+export PIKA_PACKAGE_VERSION="3.0-4"
+export PIKA_PACKAGE_NAME="plastex"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"