diff --git a/.travis.yml b/.travis.yml
index 4f3b259..ca4a932 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,11 @@
 sudo: false
 language: elixir
 elixir:
-  - 1.3
-  - 1.4
+  - 1.8
+  - 1.9
 otp_release:
-  - 18.3
-  - 19.2
+  - 21.0
+  - 22.0
 notifications:
   email:
     - paulschoenfelder@gmail.com
diff --git a/lib/conform/releases/plugin.ex b/lib/conform/releases/plugin.ex
index 445e376..1210d6e 100644
--- a/lib/conform/releases/plugin.ex
+++ b/lib/conform/releases/plugin.ex
@@ -94,7 +94,7 @@ defmodule Conform.ReleasePlugin do
   def after_package(_release), do: nil
   def after_cleanup(_args), do: nil
 
-  defp debug(message), do: apply(Mix.Releases.Logger, :debug, ["conform: " <> message])
+  defp debug(message), do: apply(Conform.Logger, :debug, ["conform: " <> message])
 
   defp add_archive(conform_overlays, release, schema_src) do
     # generate archive
diff --git a/lib/conform/schema.ex b/lib/conform/schema.ex
index bdc8431..d0daca7 100644
--- a/lib/conform/schema.ex
+++ b/lib/conform/schema.ex
@@ -242,7 +242,7 @@ defmodule Conform.Schema do
   def coalesce do
     # Get schemas from all dependencies
     # Merge schemas for all deps
-    Mix.Dep.loaded([])
+    Mix.Dep.load_on_environment([env: Mix.env])
     |> Enum.map(fn %Mix.Dep{app: app, opts: opts} ->
          Mix.Project.in_project(app, opts[:dest], opts, fn _ -> load!(app) end)
        end)
@@ -430,7 +430,7 @@ defmodule Conform.Schema do
   defp get_extends_schema(app_name, src_schema_path) do
     # Attempt loading from deps if Mix is available
     schema_path = try do
-      paths = Mix.Dep.loaded(env: Mix.env)
+      paths = Mix.Dep.load_on_environment([env: Mix.env])
               |> Enum.filter(fn %Mix.Dep{app: app} -> app == app_name end)
               |> Enum.map(fn %Mix.Dep{opts: opts} ->
                 Keyword.get(opts, :dest, Keyword.get(opts, :path))
@@ -440,10 +440,10 @@ defmodule Conform.Schema do
         []         -> nil
         [app_path] -> Path.join([app_path, "config", "#{app_name}.schema.exs"])
       end
-    catch
-      _,_ -> nil
     rescue
       _ -> nil
+    catch
+      _,_ -> nil
     end
     # Next try locating by application
     schema_path = case schema_path do
diff --git a/lib/conform/translate.ex b/lib/conform/translate.ex
index 4156349..5cc3077 100644
--- a/lib/conform/translate.ex
+++ b/lib/conform/translate.ex
@@ -140,7 +140,7 @@ defmodule Conform.Translate do
                          val -> parse_datatype(datatype, [val], mapping)
                        end
                    end
-        for {conf_key, value} <- results, not datatype in [:complex, [list: :complex]] do
+        for {conf_key, value} <- results, datatype not in [:complex, [list: :complex]] do
           parsed = case value do
             nil -> default
             _   -> parse_datatype(datatype, List.wrap(value), mapping)
diff --git a/lib/mix/tasks/conform.archive.ex b/lib/mix/tasks/conform.archive.ex
index e151874..ed1ed64 100644
--- a/lib/mix/tasks/conform.archive.ex
+++ b/lib/mix/tasks/conform.archive.ex
@@ -5,7 +5,6 @@ defmodule Mix.Tasks.Conform.Archive do
   """
 
   def run([schema_path]) do
-    Mix.Tasks.Loadpaths.run([])
     curr_path  = File.cwd!
     schema_dir = Path.dirname(schema_path) |> Path.expand
     [release_name|_] = String.split(Path.basename(schema_path), ".")
@@ -22,7 +21,7 @@ defmodule Mix.Tasks.Conform.Archive do
       {[], []} ->
         {:ok, "", []}
       {_, _}   ->
-        specified_deps = Mix.Dep.loaded(env: Mix.env)
+        specified_deps = Mix.Dep.load_on_environment([env: Mix.env])
         # collect deps which are specifed outside of deps,
         # like: [:name, path: "path_to_lib"]
         deps_paths =
diff --git a/priv/bin/conform b/priv/bin/conform
index 74c6366..cd58af5 100755
Binary files a/priv/bin/conform and b/priv/bin/conform differ
diff --git a/test/conf_translate_test.exs b/test/conf_translate_test.exs
index 6c2ccd4..20f2beb 100644
--- a/test/conf_translate_test.exs
+++ b/test/conf_translate_test.exs
@@ -57,7 +57,15 @@ defmodule ConfTranslateTest do
     assert expected == conf
   end
 
+  # Something was changed in Elixir 1.9 dependencies handling and now
+  # it uses top-level dependencies of conform instead of fixtures applications
+  # in this test. That's why Mix.Task.run/1 was replaced with System.cmd/2
+  # and only mix conform.archive task is only called in Mix.project.in_project
+  # context. Otherwise Elixir 1.9 will not find fake_app dependency, but instead of
+  # this top-level dependencies will be used (dependencies of conform itself).
   test "can generate config as Elixir terms from .conf and schema with imports" do
+    # Application.load :example_app
+    # Application.load :fake_app
     cwd = File.cwd!
     script = Path.join([cwd, "priv", "bin", "conform"])
     example_app_path = Path.join([cwd, "test", "fixtures", "example_app"])
@@ -68,26 +76,29 @@ defmodule ConfTranslateTest do
 
     File.touch(sys_config_path)
     capture_io(fn ->
-      {:ok, zip_path, _build_files} =
-        Mix.Project.in_project(:example_app, example_app_path,
+        File.cd(example_app_path)
+        System.put_env("MIX_ENV", "test")
+        System.cmd("mix", ["deps.get"])
+        System.cmd("mix", ["deps.compile"])
+        System.cmd("mix", ["compile"])
+
+        {:ok, zip_path, _build_files} = Mix.Project.in_project(:example_app, example_app_path,
           fn _ ->
-            Mix.Task.run("deps.get")
-            Mix.Task.run("deps.compile")
-            Mix.Task.run("compile")
-            Mix.Task.run("conform.archive", [schema_path])
+            Mix.Tasks.Conform.Archive.run([schema_path])
           end)
-
-      expected = [
-        fake_app: [greeting: "hi!"],
-        test: [another_val: 3, debug_level: :info, env: :prod]
-      ]
-
-      _ = Mix.Task.run("escript.build", ["--force"])
-      {_output, 0} = System.cmd(script, ["--schema", schema_path, "--conf", conf_path, "--output-dir", sys_config_dir])
-      {:ok, [sysconfig]} = :file.consult(sys_config_path)
-      assert "test.schema.ez" = Path.basename(zip_path)
-      assert ^expected = Conform.Utils.sort_kwlist(sysconfig)
-      File.rm(sys_config_path)
+        File.cd(cwd)
+
+        expected = [
+          fake_app: [greeting: "hi!"],
+          test: [another_val: 3, debug_level: :info, env: :prod]
+        ]
+
+        _ = Mix.Task.run("escript.build", ["--force"])
+        {_output, 0} = System.cmd(script, ["--schema", schema_path, "--conf", conf_path, "--output-dir", sys_config_dir])
+        {:ok, [sysconfig]} = :file.consult(sys_config_path)
+        assert "test.schema.ez" = Path.basename(zip_path)
+        assert ^expected = Conform.Utils.sort_kwlist(sysconfig)
+        File.rm(sys_config_path)
     end)
   end
 
@@ -189,7 +200,7 @@ defmodule ConfTranslateTest do
 
     config_path = Path.join(System.tmp_dir!, "conform_test.config")
     :ok    = config_path |> Conform.SysConfig.write(config)
-    result = config_path |> String.to_char_list |> :file.consult
+    result = config_path |> String.to_charlist |> :file.consult
     config_path |> File.rm!
     assert {:ok, [^config]} = result
   end
diff --git a/test/config_test.exs b/test/config_test.exs
index d1f16d9..5588cf8 100644
--- a/test/config_test.exs
+++ b/test/config_test.exs
@@ -24,7 +24,7 @@ defmodule ConfigTest do
                         second: [age: 40, username: "username2"]],
          db: [hosts: [{"127.0.0.1", "8000"}, {"127.0.0.2", "8001"}]],
          max_demand: 40,
-         nodelist: [:'a@bar', :'b@bar'],
+         nodelist: [:a@bar, :b@bar],
          some_val: :foo
        ]]
     assert expected == Conform.Utils.sort_kwlist(sysconfig)
diff --git a/test/configs/readme_example.exs b/test/configs/readme_example.exs
index 37234d2..78db8e5 100644
--- a/test/configs/readme_example.exs
+++ b/test/configs/readme_example.exs
@@ -1,4 +1,4 @@
 use Mix.Config
 
 config :my_app,
-  nodelist: [:'a@foo', :'b@foo']
+  nodelist: [:a@foo, :b@foo]
diff --git a/test/conform_utils_code_test.exs b/test/conform_utils_code_test.exs
index a26fecd..a5b5528 100644
--- a/test/conform_utils_code_test.exs
+++ b/test/conform_utils_code_test.exs
@@ -5,7 +5,7 @@ defmodule ConformCodeTest do
   test "can stringify function and case blocks" do
     source = """
     [transforms: [
-      "single_clause": fn val ->
+      single_clause: fn val ->
         case val do
           foo when foo in [:foo] ->
             bar = String.to_atom("bar")
@@ -16,7 +16,7 @@ defmodule ConformCodeTest do
           :baz -> :qux
         end
       end,
-      "multi_clause": fn
+      multi_clause: fn
         :foo -> bar
         val ->
           case val do
@@ -56,7 +56,7 @@ defmodule ConformCodeTest do
         end
       ]
     ]
-    """ |> String.strip(?\n)
+    """ |> String.trim()
 
     {:ok, quoted} = Code.string_to_quoted(source)
     assert stringified == Conform.Utils.Code.stringify(quoted)
@@ -80,7 +80,7 @@ defmodule ConformCodeTest do
     * active-debug: it's going to be active, with verbose debugging information
     Just testing "nested quotes"
     \"\"\"
-    """ |> String.strip(?\n)
+    """ |> String.trim()
 
     {:ok, singleline_quoted} = singleline |> Macro.to_string |> Code.string_to_quoted
     {:ok, multiline_quoted}  = multiline |> Macro.to_string |> Code.string_to_quoted
@@ -131,7 +131,7 @@ defmodule ConformCodeTest do
         ]
       ]
     ]
-    """ |> String.strip(?\n)
+    """ |> String.trim()
 
     {:ok, quoted} = data |> Code.string_to_quoted
     {schema, _} = Code.eval_quoted(quoted, file: "nofile", line: 0)
@@ -148,7 +148,6 @@ defmodule ConformCodeTest do
           case val do
             :active ->
               data = %{log: :warn}
-              more_data = %{data | :log => :warn}
               {:on, [data: data]}
             :'active-debug' -> {:on, [debug: true]}
             :passive        -> {:off, []}
@@ -176,7 +175,6 @@ defmodule ConformCodeTest do
             case val do
               :active ->
                 data = %{log: :warn}
-                more_data = %{data | log: :warn}
                 {:on, [data: data]}
               :"active-debug" ->
                 {:on, [debug: true]}
@@ -199,7 +197,7 @@ defmodule ConformCodeTest do
         end
       ]
     ]
-    """ |> String.strip(?\n)
+    """ |> String.trim()
 
     {:ok, quoted} = data |> Code.string_to_quoted
     assert expected == (quoted |> Conform.Utils.Code.stringify)
diff --git a/test/fixtures/test_app/config.exs b/test/fixtures/test_app/config.exs
index ec5c81a..61fb981 100644
--- a/test/fixtures/test_app/config.exs
+++ b/test/fixtures/test_app/config.exs
@@ -6,7 +6,7 @@ proxy = [{:default_route, {{127,0,0,1}, 1813, "secret"}},
 
 config :test,
   env: :wat,
-  "debug_level": {:on, [:passive]}
+  debug_level: {:on, [:passive]}
 
 config :test, :servers,
   proxy: [{ {:eradius_proxy, 'proxy', proxy}, [{'127.0.0.1', "secret"}] }]
diff --git a/test/integration_test.exs b/test/integration_test.exs
index 8c8148a..ea7a4ee 100644
--- a/test/integration_test.exs
+++ b/test/integration_test.exs
@@ -131,7 +131,7 @@ defmodule IntegrationTest do
       transforms: [],
       validators: []
     ]
-    """ |> String.strip(?\n) == result
+    """ |> String.trim() == result
   end
 
 end
diff --git a/test/schemas/complex_schema.exs b/test/schemas/complex_schema.exs
index 439a07b..de74a9c 100644
--- a/test/schemas/complex_schema.exs
+++ b/test/schemas/complex_schema.exs
@@ -34,14 +34,14 @@
       default: []
     ],
     # just a val
-    "some_val": [
+    some_val: [
       doc:      "Just some atom.",
       to:       "my_app.some_val",
       datatype: :atom,
       default:  :foo
     ],
 
-    "some_val2": [
+    some_val2: [
       doc:      "Just some float.",
       to:       "my_app.some_val2",
       datatype: :float,
diff --git a/test/schemas/env_var.schema.exs b/test/schemas/env_var.schema.exs
index b73026d..29c3157 100644
--- a/test/schemas/env_var.schema.exs
+++ b/test/schemas/env_var.schema.exs
@@ -2,7 +2,7 @@
   extends: [],
   import: [],
   mappings: [
-    "envvarconfig": [
+    envvarconfig: [
       to: "envvarconfig",
       datatype: :integer,
       env_var: "NOT_SET"
diff --git a/test/schemas/evl_daemon.schema.exs b/test/schemas/evl_daemon.schema.exs
index 3c377f5..2e80374 100644
--- a/test/schemas/evl_daemon.schema.exs
+++ b/test/schemas/evl_daemon.schema.exs
@@ -127,7 +127,7 @@
   ],
   transforms: [
     "evl_daemon.zones": fn (conf) ->
-      [{key, zones}]  = Conform.Conf.get(conf, "evl_daemon.zones")
+      [{_key, zones}]  = Conform.Conf.get(conf, "evl_daemon.zones")
 
       Enum.reduce(zones, Map.new, fn [zone, description], zone_map ->
          Map.put(
@@ -138,7 +138,7 @@
       end)
     end,
     "evl_daemon.partitions": fn (conf) ->
-      [{key, partitions}]  = Conform.Conf.get(conf, "evl_daemon.partitions")
+      [{_key, partitions}]  = Conform.Conf.get(conf, "evl_daemon.partitions")
 
       Enum.reduce(partitions, Map.new, fn [partition, description], partition_map ->
          Map.put(
diff --git a/test/schemas/merge_master.schema.exs b/test/schemas/merge_master.schema.exs
index 69a660e..156bb3f 100644
--- a/test/schemas/merge_master.schema.exs
+++ b/test/schemas/merge_master.schema.exs
@@ -42,7 +42,7 @@
       end
       console_handler = case Conform.Conf.get(conf, "lager.handlers.lager_console_backend.level") do
         []              -> []
-        [{path, level}] -> [lager_console_backend: level]
+        [{_path, level}] -> [lager_console_backend: level]
       end
       Conform.Conf.remove(conf, "lager.handlers")
       console_handler ++ file_handlers
diff --git a/test/schemas/readme_example.schema.exs b/test/schemas/readme_example.schema.exs
index 6ca063d..6d0af9d 100644
--- a/test/schemas/readme_example.schema.exs
+++ b/test/schemas/readme_example.schema.exs
@@ -31,7 +31,7 @@
       doc: "A simple list",
       to: "my_app.nodelist",
       datatype: [list: :atom],
-      default: [:'a@foo', :'b@foo']
+      default: [:a@foo, :b@foo]
     ],
     "my_app.db.hosts": [
       doc: "Remote database hosts",
diff --git a/test/schemas/test.schema.exs b/test/schemas/test.schema.exs
index a66a11d..55e6b95 100644
--- a/test/schemas/test.schema.exs
+++ b/test/schemas/test.schema.exs
@@ -98,7 +98,6 @@
           case val do
             :active ->
               data = %{log: :warn}
-              more_data = %{data | :log => :warn}
               {:on, [data: data]}
             :'active-debug' -> {:on, [debug: true]}
             :passive        -> {:off, []}
diff --git a/test/schemas/utf8.schema.exs b/test/schemas/utf8.schema.exs
index 6227f92..b6f410f 100644
--- a/test/schemas/utf8.schema.exs
+++ b/test/schemas/utf8.schema.exs
@@ -2,7 +2,7 @@
   extends: [],
   import: [],
   mappings: [
-    "utf8": [
+    utf8: [
       commented: false,
       datatype: :binary,
       default: "Fixé",