diff --git a/Dockerfile b/Dockerfile
index 3a6ddaa0e..39f73dd11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@ RUN ln -s /sharpy_dir/utils/docker/* /root/
 # Install SHARPy
 WORKDIR /sharpy_dir/
 RUN git submodule update --init --recursive
-RUN pip install .
+RUN pip3 install .
 RUN rm -rf build