diff --git a/src/api.jl b/src/api.jl
index da0bc94..13d6f4e 100644
--- a/src/api.jl
+++ b/src/api.jl
@@ -33,7 +33,7 @@ julia> promptAgent(agent, Dict("role" => "user", "content" => "Hello!"))
 yiemAgent(...)
 ```
 """
-function promptAgent(agent::yiemAgent, msg::Dict{String, Any})
+function promptAgent(agent::yiemAgent, msg::AbstractDict{String, Any})
   put!(agent.inputChannel, msg)
   return agent
 end