diff --git a/README.md b/README.md
index d58195f..fbc8d7b 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Day 2 - :heavy_check_mark:
 
 Day 3 - :heavy_check_mark:
 
-Day 4 - :x:
+Day 4 - :heavy_check_mark:
 
 Day 5 - :x: