diff --git a/practica/stepik/README.md b/practica/stepik/README.md
index 00f0bf3..3020fd0 100644
--- a/practica/stepik/README.md
+++ b/practica/stepik/README.md
@@ -23,6 +23,7 @@ different tasks from various courses
 - [Pie](stepik_tasks/pie.py)
 - [programmer_names](stepik_tasks/programmer_names.py)
 - [Sapper game](stepik_tasks/sapper.py)
+- [Sum of squared numbers](stepik_tasks/sum_of_squared_numbers.py)
 - [sum_num_from_last](stepik_tasks/sum_num_from_last.py)
 - [sum_num_nearby](stepik_tasks/sum_num_nearby.py)
 - [Tickets](stepik_tasks/tickets.py)