diff --git a/IUM_02.Dane.ipynb b/IUM_02.Dane.ipynb
index cabe1bf..9c3921b 100644
--- a/IUM_02.Dane.ipynb
+++ b/IUM_02.Dane.ipynb
@@ -92,6 +92,7 @@
    "source": [
     "## Otwarte wyzwania (shared task / challenge)\n",
     "- Kaggle: https://www.kaggle.com/datasets\n",
+    "- EvalAI: https://eval.ai/\n",
     "- Gonito: https://gonito.net/list-challenges - polski (+poznański +z UAM) Kaggle\n",
     "- Semeval: https://semeval.github.io/ - zadania z semantyki\n",
     "- Poleval: http://poleval.pl/ - przetwarzanie języka polskiego\n",