diff --git a/Dockerfile b/Dockerfile
index e3ec446..49060fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ ENV PYTHONUNBUFFERED=1
 
 RUN mkdir ./data
 
-RUN pip install python-bring-api gkeepapi schedule gpsoauth==1.0.2 urllib3==1.25.1
+RUN pip install python-bring-api gkeepapi schedule gpsoauth==1.0.2 urllib3==1.25.1 python-decouple~=3.8
 
 # start app
-CMD [ "python", "-u", "./app.py" ]
\ No newline at end of file
+CMD [ "python", "-u", "./app.py" ]