diff --git a/practical.yml b/practical.yml
index 10cf0d5..96605fb 100644
--- a/practical.yml
+++ b/practical.yml
@@ -63,3 +63,25 @@ exercises:
       - "compute_sub"
       - "compute_mul"
       - "compute_div"
+  utf8:
+    required_files:
+      - "src/string.rs"
+      - "src/string/utf8.rs"
+    tests:
+      - "char_at_empty"
+      - "char_at_emoji"
+      - "char_at_ascii"
+      - "char_at_oob"
+  parse:
+    required_files:
+      - "src/string.rs"
+      - "src/string/utf8.rs"
+    tests:
+      - "parse_add"
+      - "parse_sub"
+      - "parse_mul"
+      - "parse_div"
+      - "parse_number"
+      - "parse_number_negative"
+      - "parse_bad_number"
+      - "parse_bad_operation"