diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..b313588
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,19 @@
+Copyright (c) 2014 Mike Bierlee
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/dub.json b/dub.json
index fe72b6b..3d40760 100644
--- a/dub.json
+++ b/dub.json
@@ -4,7 +4,7 @@
 	"homepage": "http://lostmoment.com",
 	"authors": ["Mike Bierlee"],
 	"copyright": "Copyright 2014 Mike Bierlee",
-	"license": "proprietary",
+	"license": "MIT",
 	"configurations": [
 		{
 			"name": "debug-build",
diff --git a/source/poodinis/autowire.d b/source/poodinis/autowire.d
index 2d27414..7912f4e 100644
--- a/source/poodinis/autowire.d
+++ b/source/poodinis/autowire.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 module poodinis.autowire;
 
 public import poodinis.container;
diff --git a/source/poodinis/container.d b/source/poodinis/container.d
index 43f96fe..d146004 100644
--- a/source/poodinis/container.d
+++ b/source/poodinis/container.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 module poodinis.container;
 
 import std.string;
diff --git a/source/poodinis/registration.d b/source/poodinis/registration.d
index fcb4867..9617352 100644
--- a/source/poodinis/registration.d
+++ b/source/poodinis/registration.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 module poodinis.registration;
 
 class Registration {
diff --git a/test/poodinis/autowiretest.d b/test/poodinis/autowiretest.d
index 42aca4d..672777a 100644
--- a/test/poodinis/autowiretest.d
+++ b/test/poodinis/autowiretest.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 import poodinis.autowire;
 
 import std.exception;
diff --git a/test/poodinis/containertest.d b/test/poodinis/containertest.d
index 206ed5b..9b0f2b5 100644
--- a/test/poodinis/containertest.d
+++ b/test/poodinis/containertest.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 import poodinis.container;
 
 import std.exception;
diff --git a/test/poodinis/registrationtest.d b/test/poodinis/registrationtest.d
index e94c0bd..d3f318f 100644
--- a/test/poodinis/registrationtest.d
+++ b/test/poodinis/registrationtest.d
@@ -1,3 +1,10 @@
+/**
+ * Poodinis Dependency Injection Framework
+ * Copyright 2014 Mike Bierlee
+ * This software is licensed under the terms of the MIT license.
+ * The full terms of the license can be found in the LICENSE file.
+ */
+
 import poodinis.registration;
 
 import std.exception;