diff --git a/Dockerfile b/Dockerfile
index ea63478..9c26b8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,4 +13,6 @@ RUN python3 -m pip install pandas
 
 COPY ./zadanie1.ipynb ./
 
+RUN chmod +x ./zadanie1.ipynb
+
 CMD ./zadanie1.ipynb
\ No newline at end of file