diff --git a/3.7/Dockerfile b/3.7/Dockerfile
index 801ec3a..aba9d2b 100644
--- a/3.7/Dockerfile
+++ b/3.7/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7.10-slim-buster@sha256:3c5ab411cfcf65f6b8ceb3bda606009e6174930d1c07d8159a1f3f0602524bb3
+FROM python:3.9.2-slim-buster@sha256:70b693f32768b122a6a5247b0c5d4394da69f5dc3baace93a34860bff00d8ecd
 
 # renovate: datasource=pypi depName=poetry versioning=semver
 ENV POETRY_VERSION 1.1.5
diff --git a/3.8/Dockerfile b/3.8/Dockerfile
index 19290b3..aba9d2b 100644
--- a/3.8/Dockerfile
+++ b/3.8/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.8-slim-buster@sha256:60d8ae7490dc6be75ad9ed8b504cd8835be12f9a828b2b9fe0e19e4d66b6f636
+FROM python:3.9.2-slim-buster@sha256:70b693f32768b122a6a5247b0c5d4394da69f5dc3baace93a34860bff00d8ecd
 
 # renovate: datasource=pypi depName=poetry versioning=semver
 ENV POETRY_VERSION 1.1.5