diff --git a/Dockerfile b/Dockerfile
index 42f6b1fb0..a19bb01dc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN ./node_modules/.bin/sass --load-path=node_modules/ --style=compressed src/ap
 WORKDIR /src
 RUN /node_modules/.bin/jest
 
-FROM 593291632749.dkr.ecr.eu-west-1.amazonaws.com/python:3.9-slim-buster AS base
+FROM 593291632749.dkr.ecr.eu-west-1.amazonaws.com/python:3.11-slim-buster AS base
 
 ARG HELM_VERSION=3.5.4
 ARG HELM_TARBALL=helm-v${HELM_VERSION}-linux-amd64.tar.gz