diff --git a/validator/post-install.py b/validator/post-install.py
new file mode 100644
index 0000000..f4806bd
--- /dev/null
+++ b/validator/post-install.py
@@ -0,0 +1,4 @@
+import os
+
+# Install the ResponseEvaluator from the hub
+os.system("guardrails hub install hub://guardrails/response_evaluator")