diff --git a/backend/app_sdk/Dockerfile b/backend/app_sdk/Dockerfile
index 75ec12c4..5fcf1901 100644
--- a/backend/app_sdk/Dockerfile
+++ b/backend/app_sdk/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.1-alpine as base
+FROM python:3.9.4-alpine as base
 
 FROM base as builder
 RUN apk --no-cache add --update alpine-sdk libffi libffi-dev musl-dev openssl-dev