diff --git a/COPYING.md b/COPYING.md
index b0129a48..3cdf9600 100644
--- a/COPYING.md
+++ b/COPYING.md
@@ -1,3 +1,3 @@
 Copyright James Mead 2006
 
-You may use, copy and redistribute this library under the same terms as [Ruby itself](http://www.ruby-lang.org/en/LICENSE.txt) or under the [MIT license](http://www.opensource.org/licenses/MIT).
+You may use, copy and redistribute this library under the same terms as [Ruby itself](https://www.ruby-lang.org/en/about/license.txt) or under the [MIT license](https://mit-license.org/).
diff --git a/README.md b/README.md
index 79f10b69..25c03bcb 100644
--- a/README.md
+++ b/README.md
@@ -364,4 +364,4 @@ Mocha was initially harvested from projects at [Reevoo](http://www.reevoo.com/).
 
 © Copyright James Mead 2006
 
-You may use, copy and redistribute this library under the same terms as [Ruby itself](http://www.ruby-lang.org/en/LICENSE.txt) or under the [MIT license](http://www.opensource.org/licenses/MIT).
+You may use, copy and redistribute this library under the same terms as [Ruby itself](https://www.ruby-lang.org/en/about/license.txt) or under the [MIT license](https://mit-license.org/).