diff --git a/elixir-1.6.4.tar.gz b/elixir-1.6.4.tar.gz
new file mode 100644
index 0000000..3338fc6
--- /dev/null
+++ b/elixir-1.6.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c12a4931a5383a8a9e9eb006566af698e617b57a1f645a6cb132a321b671292d
+size 2074206
diff --git a/elixir-doc.spec b/elixir-doc.spec
index 9c9d089..2054ab4 100644
--- a/elixir-doc.spec
+++ b/elixir-doc.spec
@@ -17,13 +17,13 @@
 
 
 Name:           elixir-doc
-Version:        1.5.2
+Version:        1.6.4
 Release:        0
 Summary:        Documentation for elixir
 License:        Apache-2.0 and ErlPL-1.1
 Group:          Documentation/Other
 Url:            http://elixir-lang.org
-Source:         https://github.com/elixir-lang/elixir/archive/v%{version}.tar.gz
+Source0:        https://github.com/elixir-lang/elixir/archive/v%{version}.tar.gz#/elixir-%{version}.tar.gz
 BuildRequires:  elixir
 BuildRequires:  elixir-ex_doc
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/elixir.changes b/elixir.changes
index 202f7b2..9d4b6d9 100644
--- a/elixir.changes
+++ b/elixir.changes
@@ -1,3 +1,37 @@
+-------------------------------------------------------------------
+Thu Apr 12 15:39:08 UTC 2018 - develop7@develop7.info
+
+- Elixir 1.6.4
+
+  * [Code.Formatter] Do not double escape quoted keyword list identifiers
+  * [Kernel] Properly support into: binary in Erlang/OTP 20.3
+
+- Elixir 1.6.3
+  
+  * [Code.Formatter] Support comments in the middle of pipelines, `when` and 
+    `|` expressions
+  * [Code.Formatter] Consider commas when breaking groups
+  * [Code.Formatter] Ensure proper precedence between & and operators
+  * [Code.Formatter] Consider .formatter.exs when formatting stdin
+  * [Logger.Translator] Ensure logger doesn't crash when reporting named 
+    `DynamicSupervisor`
+
+- Elixir 1.6.2
+
+  See full changelog at https://github.com/elixir-lang/elixir/releases/tag/v1.6.2
+
+- Elixir 1.6.1
+
+  See full changelog at https://github.com/elixir-lang/elixir/releases/tag/v1.6.1
+
+- Elixir 1.6.0
+
+  See full changelog at https://github.com/elixir-lang/elixir/releases/tag/v1.6.0
+
+- Elixir 1.5.3
+
+  See full changelog at https://github.com/elixir-lang/elixir/releases/tag/v1.5.3
+
 -------------------------------------------------------------------
 Wed Nov  1 12:28:21 UTC 2017 - gutigen@protonmail.ch
 
diff --git a/elixir.spec b/elixir.spec
index b3b6551..97d8d2b 100644
--- a/elixir.spec
+++ b/elixir.spec
@@ -17,20 +17,21 @@
 
 
 Name:           elixir
-Version:        1.5.2
+Version:        1.6.4
 Release:        0
 Summary:        Functional meta-programming aware language built on top of the Erlang
 License:        Apache-2.0 and ErlPL-1.1
 Group:          Development/Languages/Other
 Url:            http://elixir-lang.org
-Source0:        https://github.com/elixir-lang/elixir/archive/v%{version}.tar.gz
+Source0:        https://github.com/elixir-lang/elixir/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Source2:        macros.elixir
 BuildRequires:  erlang
 BuildRequires:  gcc
 BuildRequires:  make
 # required by Mix.SCM.Git see also (https://github.com/elixir-lang/elixir/issues/1386)
 Requires:       git >= 1.7
-BuildRequires:  erlang >= 18
+BuildRequires:  erlang >= 19
+BuildRequires:  erlang-src
 BuildRequires:  erlang-dialyzer
 BuildRequires:  git >= 1.7
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/v1.5.2.tar.gz b/v1.5.2.tar.gz
deleted file mode 100644
index 18fae05..0000000
--- a/v1.5.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7317b7a9d3b5bef2b5cd56de738f2b37fd4111e24efbe71a3e39bea1b702ff6c
-size 1947836