diff --git a/TODO b/TODO
index cab98fe..1c1138e 100644
--- a/TODO
+++ b/TODO
@@ -102,7 +102,7 @@ Description: After testing a couple of string search algorithms, I've ditched
 ID: 5
 Type: feature
 Title: implement chunked rolling hash algorithm
-Status: open
+Status: in-progress
 Priority: high
 Created: 2025-05-05
 Description: Implement my custom algorithm for doing rolling hash string search