diff --git a/README.md b/README.md
index 12be95d..8e77e17 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ Courses | Duration | Effort
 
 Courses | Duration | Effort
 :-- | :--: | :--:
-[Mathematics for Computer Science](http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-fall-2010/index.htm)| 12 weeks | 5 hours/week
+[Mathematics for Computer Science](https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-042j-mathematics-for-computer-science-spring-2015/index.htm)| 12 weeks | 5 hours/week
 
 ### Algorithms
 
@@ -393,7 +393,7 @@ The **only things** that you need to know are how to use **Git** and **GitHub**.
 
 ## Change Log
 
-**Curriculum Version**: `5.0.0`
+**Curriculum Version**: `5.1.0`
 
 To show **respect** to all of our students, we will keep a [CHANGELOG](CHANGELOG.md) file that contains all the alterations that our curriculum may suffer.