diff --git a/Dockerfile b/Dockerfile
index bc8ff4d..7a4f245 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 #
 # Official Docker images are in the form library/<app> while
 # non-official images are in the form <user>/<app>.
-FROM docker.io/amazon/aws-lambda-python:3.9 AS install-stage
+FROM public.ecr.aws/lambda/python:3.9 AS install-stage
 
 # Install the Python packages necessary to install the Lambda dependencies.
 RUN python3 -m pip install --no-cache-dir \
@@ -29,7 +29,7 @@ RUN pipenv sync --system --extra-pip-args="--no-cache-dir --target ${LAMBDA_TASK
 #
 # Official Docker images are in the form library/<app> while
 # non-official images are in the form <user>/<app>.
-FROM docker.io/amazon/aws-lambda-python:3.9 AS build-stage
+FROM public.ecr.aws/lambda/python:3.9 AS build-stage
 
 ###
 # For a list of pre-defined annotation keys and value types see: