diff --git a/test/client.jl b/test/client.jl
index 9d7ce5c2d..6698e1d67 100644
--- a/test/client.jl
+++ b/test/client.jl
@@ -1,6 +1,7 @@
 module TestClient
 
 using HTTP, HTTP.Exceptions, MbedTLS, OpenSSL
+using HTTP: IOExtras
 include(joinpath(dirname(pathof(HTTP)), "../test/resources/TestRequest.jl"))
 import ..isok, ..httpbin
 using .TestRequest