diff --git a/Makefile b/Makefile
index 332628f..91c6b72 100644
--- a/Makefile
+++ b/Makefile
@@ -8,8 +8,8 @@
 # * Copyright notice:                                          *
 # * Free use of the Mathematical Expression Toolkit Library is *
 # * permitted under the guidelines and in accordance with the  *
-# * most current version of the Common Public License.         *
-# * http://www.opensource.org/licenses/cpl1.0.php              *
+# * most current version of the MIT License.                   *
+# * http://www.opensource.org/licenses/MIT                     *
 # *                                                            *
 # **************************************************************
 #
diff --git a/exprtk.hpp b/exprtk.hpp
index 3f27fa1..c29cd08 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -8,8 +8,8 @@
  * Copyright notice:                                              *
  * Free use of the C++ Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the most *
- * current version of the Common Public License.                  *
- * http://www.opensource.org/licenses/cpl1.0.php                  *
+ * current version of the MIT License.                            *
+ * http://www.opensource.org/licenses/MIT                         *
  *                                                                *
  * Example expressions:                                           *
  * (00) (y + x / y) * (x - y / x)                                 *
diff --git a/exprtk_benchmark.cpp b/exprtk_benchmark.cpp
index 4992967..a38da99 100644
--- a/exprtk_benchmark.cpp
+++ b/exprtk_benchmark.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_01.cpp b/exprtk_simple_example_01.cpp
index 04dcaf4..3bd9a26 100644
--- a/exprtk_simple_example_01.cpp
+++ b/exprtk_simple_example_01.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_02.cpp b/exprtk_simple_example_02.cpp
index a2a6892..0b3477b 100644
--- a/exprtk_simple_example_02.cpp
+++ b/exprtk_simple_example_02.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_03.cpp b/exprtk_simple_example_03.cpp
index 324c6ae..a7e7947 100644
--- a/exprtk_simple_example_03.cpp
+++ b/exprtk_simple_example_03.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_04.cpp b/exprtk_simple_example_04.cpp
index 75b4bb5..7830a13 100644
--- a/exprtk_simple_example_04.cpp
+++ b/exprtk_simple_example_04.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_05.cpp b/exprtk_simple_example_05.cpp
index ae06204..fa3a67e 100644
--- a/exprtk_simple_example_05.cpp
+++ b/exprtk_simple_example_05.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_06.cpp b/exprtk_simple_example_06.cpp
index a34fb7f..6566be5 100644
--- a/exprtk_simple_example_06.cpp
+++ b/exprtk_simple_example_06.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_07.cpp b/exprtk_simple_example_07.cpp
index f37783d..76d02fa 100644
--- a/exprtk_simple_example_07.cpp
+++ b/exprtk_simple_example_07.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_08.cpp b/exprtk_simple_example_08.cpp
index 78db38e..e263bce 100644
--- a/exprtk_simple_example_08.cpp
+++ b/exprtk_simple_example_08.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_09.cpp b/exprtk_simple_example_09.cpp
index aeebd75..69f45c2 100644
--- a/exprtk_simple_example_09.cpp
+++ b/exprtk_simple_example_09.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_10.cpp b/exprtk_simple_example_10.cpp
index 4c6d04d..006fc2a 100644
--- a/exprtk_simple_example_10.cpp
+++ b/exprtk_simple_example_10.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_11.cpp b/exprtk_simple_example_11.cpp
index f5b3871..fe87553 100644
--- a/exprtk_simple_example_11.cpp
+++ b/exprtk_simple_example_11.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_12.cpp b/exprtk_simple_example_12.cpp
index 9d5cdca..162a9ad 100644
--- a/exprtk_simple_example_12.cpp
+++ b/exprtk_simple_example_12.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_13.cpp b/exprtk_simple_example_13.cpp
index a4d79a8..1dfa1e5 100644
--- a/exprtk_simple_example_13.cpp
+++ b/exprtk_simple_example_13.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_14.cpp b/exprtk_simple_example_14.cpp
index dc11f29..c07c4b3 100644
--- a/exprtk_simple_example_14.cpp
+++ b/exprtk_simple_example_14.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_15.cpp b/exprtk_simple_example_15.cpp
index d40a486..830a1af 100644
--- a/exprtk_simple_example_15.cpp
+++ b/exprtk_simple_example_15.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_16.cpp b/exprtk_simple_example_16.cpp
index c23ff83..512bc8c 100644
--- a/exprtk_simple_example_16.cpp
+++ b/exprtk_simple_example_16.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_17.cpp b/exprtk_simple_example_17.cpp
index 8020a1d..94e3bf2 100644
--- a/exprtk_simple_example_17.cpp
+++ b/exprtk_simple_example_17.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_18.cpp b/exprtk_simple_example_18.cpp
index be56785..a02663f 100644
--- a/exprtk_simple_example_18.cpp
+++ b/exprtk_simple_example_18.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_simple_example_19.cpp b/exprtk_simple_example_19.cpp
index 26a2878..a173df7 100644
--- a/exprtk_simple_example_19.cpp
+++ b/exprtk_simple_example_19.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/exprtk_test.cpp b/exprtk_test.cpp
index 5319a74..d55cfdf 100644
--- a/exprtk_test.cpp
+++ b/exprtk_test.cpp
@@ -9,8 +9,8 @@
  * Copyright notice:                                          *
  * Free use of the Mathematical Expression Toolkit Library is *
  * permitted under the guidelines and in accordance with the  *
- * most current version of the Common Public License.         *
- * http://www.opensource.org/licenses/cpl1.0.php              *
+ * most current version of the MIT License.                   *
+ * http://www.opensource.org/licenses/MIT                     *
  *                                                            *
  **************************************************************
 */
diff --git a/readme.txt b/readme.txt
index 0550b70..39dc5b2 100644
--- a/readme.txt
+++ b/readme.txt
@@ -113,9 +113,9 @@
 [SECTION 03 - COPYRIGHT NOTICE]
 Free  use  of  the  C++  Mathematical  Expression  Toolkit  Library is
 permitted under the guidelines and in accordance with the most current
-version of the Common Public License.
+version of the MIT License.
 
-http://www.opensource.org/licenses/cpl1.0.php
+http://www.opensource.org/licenses/MIT
 
      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~