Unable to resolve symbol: context-lookup in this context, compiling:(clabango/tags.clj:67)

[lsh-0]

added [clabango "0.5"] to my project.clj
did lein deps, no problems
did lein repl
entered:

(ns example.core (:require [clabango.filters :refer [deftemplatefilter]] [clabango.parser :refer [render]]))

got:
CompilerException java.lang.RuntimeException: Unable to resolve symbol: context-lookup in this context, compiling:(clabango/tags.clj:67)

same error in any namespace:
(require '[clabango.parser :refer [render]])