diff --git a/src/templates/registration/signup.html b/src/templates/registration/signup.html
index f5d5ca78b..426d05bcc 100644
--- a/src/templates/registration/signup.html
+++ b/src/templates/registration/signup.html
@@ -87,6 +87,11 @@ <h2 class="ui blue centered header">
             </div>
             {% endif %}
 
+            <div>
+                <input type="checkbox" name="checkbox" id="id_checkbox" required>
+                <label for="id_checkbox">I accept the <a href="https://github.com/codalab/codalab-competitions/wiki/Privacy" target="_blank">terms and conditions</a>.</label>
+            </div>
+
             <button class="ui blue fluid submit button" type="submit">Sign Up</button>
         </form>
         <div class="ui divider"></div>