diff --git a/Dockerfile b/Dockerfile
index 20f3c37..d6ff606 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian8_python3
+FROM debian9_python3
 
 COPY requirements.txt /requirements.txt
 RUN pip3 install -r /requirements.txt; \
@@ -9,6 +9,6 @@ ADD main.py /main.py
 ADD config.py /config.py
 
 VOLUME ["/data"]
-VOLUME ["/app/config]
+VOLUME ["/app/config"]
 EXPOSE 5000
 ENTRYPOINT python3 /main.py