diff --git a/REQUIRE b/REQUIRE
index 7edcc3b..4093f1d 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,2 +1,2 @@
-julia 0.6
+julia 0.7-alpha
 Missings
diff --git a/src/NameToGender.jl b/src/NameToGender.jl
index 3ece184..2c5000e 100644
--- a/src/NameToGender.jl
+++ b/src/NameToGender.jl
@@ -79,7 +79,7 @@ function GenderDetector(;
 end
 
 
-const GENDER_DETECTOR = GenderDetector()
+GENDER_DETECTOR = GenderDetector()
 
 ###########################################
 function gender_country_scores(detector, name)
diff --git a/test/runtests.jl b/test/runtests.jl
index ec5fbc5..c1e5a08 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,5 +1,5 @@
 using NameToGender
-using Base.Test
+using Test
 using Missings