diff --git a/Dockerfile b/Dockerfile
index 7da4114c1e008e29c00fb8803ac9f14da61418ec..6b4a0e6aa8db4f257dea8b66d79bbb12545635c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,8 +40,8 @@ RUN useradd -m -s /bin/bash -N -u $NB_UID $NB_USER && \
     chown $NB_USER $CONDA_DIR -R && \
     chown $NB_USER /userdata/kerasData -R && \
     mkdir -p / && \
-    chown $NB_USER / && \
-    chpasswd $NB_USER:ar-noc
+    chpasswd $NB_USER:ar-noc && \
+    usermod -aG sudo $NB_USER
 
 USER $NB_USER