diff --git a/Dockerfile b/Dockerfile
index 86e59b4..fe55131 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-slim
+FROM python:3.9-slim
 
 ADD storage_service requirements.txt /storage_service/
 WORKDIR /storage_service/