diff --git a/Dockerfile b/Dockerfile
index 1f6e36b68..711f27990 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.3-slim-buster as base
+FROM python:3.9.4-slim-buster as base
 
 # Setup env
 ENV LANG C.UTF-8
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index dcb008cb9..b019b6096 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -1,4 +1,4 @@
-FROM --platform=linux/arm/v7 python:3.7.10-slim-buster as base
+FROM --platform=linux/arm/v7 python:3.9.4-slim-buster as base
 
 # Setup env
 ENV LANG C.UTF-8