diff --git a/Dockerfile b/Dockerfile
index 893d060..08707da 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,4 @@ MAINTAINER Filip Gralinski <filipg@amu.edu.pl>
 
 USER root
 
-RUN pip install cookiecutter
+RUN pip3 install cookiecutter