diff --git a/README.md b/README.md
index 17c7902..a48bd4e 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ And the tasks left on the backend:
 
 Miscellanous tasks:
 - [x] Merge upstream changes into refactor branch
-- [ ] Security testing
+- [x] Security testing
 - [x] Document configuration
 - [x] Backend testing
   - [x] Github progress tracking