diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 44d75dd8b..16f1d8615 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.5.8-1"
-export PIKA_PACKAGE_NAME="thermald"
+export PIKA_PACKAGE_VERSION="3.11-7"
+export PIKA_PACKAGE_NAME="ply"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"