diff --git a/config/config.exs b/config/config.exs
index aced25f..c617c9c 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -1,6 +1,6 @@
 # This file is responsible for configuring your application
 # and its dependencies with the aid of the Mix.Config module.
-use Mix.Config
+import Config
 
 # This configuration is loaded before any dependency and is restricted
 # to this project. If another project depends on this project, this
diff --git a/config/dev.exs b/config/dev.exs
index 0303066..9f57661 100644
--- a/config/dev.exs
+++ b/config/dev.exs
@@ -1,3 +1,3 @@
-use Mix.Config
+import Config
 
 config :ethereumex, url: "http://localhost:8545"
diff --git a/config/test.exs b/config/test.exs
index 0303066..9f57661 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -1,3 +1,3 @@
-use Mix.Config
+import Config
 
 config :ethereumex, url: "http://localhost:8545"