diff --git a/Dockerfile b/Dockerfile
index e3ba914..d5d5a16 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM public.ecr.aws/lambda/python@sha256:44ba918848601b7bf82215db592dde0692cba666b191b40508902fd4c8541f68 as build
+FROM public.ecr.aws/lambda/python@sha256:dda5560b1e0253edd7135cbc3dd40a68c79ec99abb987107a113c96444760088 as build
 RUN yum install -y unzip && \
     curl -Lo "/tmp/chromedriver.zip" "https://chromedriver.storage.googleapis.com/108.0.5359.71/chromedriver_linux64.zip" && \
     curl -Lo "/tmp/chrome-linux.zip" "https://www.googleapis.com/download/storage/v1/b/chromium-browser-snapshots/o/Linux_x64%2F1058929%2Fchrome-linux.zip?alt=media" && \
     unzip /tmp/chromedriver.zip -d /opt/ && \
     unzip /tmp/chrome-linux.zip -d /opt/
 
-FROM public.ecr.aws/lambda/python@sha256:44ba918848601b7bf82215db592dde0692cba666b191b40508902fd4c8541f68
+FROM public.ecr.aws/lambda/python@sha256:dda5560b1e0253edd7135cbc3dd40a68c79ec99abb987107a113c96444760088
 RUN yum install atk cups-libs gtk3 libXcomposite alsa-lib \
     libXcursor libXdamage libXext libXi libXrandr libXScrnSaver \
     libXtst pango at-spi2-atk libXt xorg-x11-server-Xvfb \
diff --git a/README.md b/README.md
index 1c4c345..e30b0ba 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This is minimum demo of headless chrome and selenium on container image on AWS L
 
 This image goes with these versions. [These are automatically updated and tested everyday. ![CircleCI](https://circleci.com/gh/umihico/docker-selenium-lambda/tree/circleci.svg?style=svg)](https://circleci.com/gh/umihico/docker-selenium-lambda/tree/circleci)
 
-- Python 3.9.15
+- Python 3.9.16
 - chromium 108.0.5359.0
 - chromedriver 108.0.5359.71
 - selenium 4.7.2