diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0d84be18b..d6920ae13 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.08b-14"
-export PIKA_PACKAGE_NAME="lookup"
+export PIKA_PACKAGE_VERSION="1.21.13-1"
+export PIKA_PACKAGE_NAME="golang-1.21"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"