diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7845fa96ac9..becd6ca5f0d 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -15,7 +15,7 @@ RUN yarn build
 
 
 ## Backend stage
-FROM python:3.9.16-slim
+FROM python:3.9.18-slim
 
 # libmysqlclient-dev is required for the mysqlclient Python package.
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/docker/dev.Dockerfile b/docker/dev.Dockerfile
index 4346b43f493..ba0ba2b1acc 100644
--- a/docker/dev.Dockerfile
+++ b/docker/dev.Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9.16
+FROM python:3.9.18
 
 # Variables that are not specific to a particular environment.
 ENV NEW_RELIC_CONFIG_FILE newrelic.ini