diff --git a/README.md b/README.md
index 870b736..a16dc82 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ In this repository, you'll find algorithms and data structure implementations fo
 
 - Data Structures
   - [matrix](/algorithms/data-structures/matrix.cpp)
+  - [mex](/algorithms/data-structures/mex.cpp)
+  - [mex update](/algorithms/data-structures/mex-update.cpp)
   - [ufds](/algorithms/data-structures/ufds.cpp)
 
 - Dynamic Programming