diff --git a/3.7/Dockerfile b/3.7/Dockerfile
index 1774efd..e427b00 100644
--- a/3.7/Dockerfile
+++ b/3.7/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7.9-slim-buster@sha256:cf4c68bc77bb0b932e1b66343d0950a1a554233c4d6cadca113a10b34aa857bf
+FROM python:3.9.1-slim-buster@sha256:af2d64e6de9f891bd5958a498bd2394389143749b3c57ffcc8c2aec054b28ad5
 
 # renovate: datasource=pypi depName=poetry versioning=semver
 ENV POETRY_VERSION v1.1.4
diff --git a/3.8/Dockerfile b/3.8/Dockerfile
index 656b94c..e427b00 100644
--- a/3.8/Dockerfile
+++ b/3.8/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8.7-slim-buster@sha256:a2119e91e3c454db804204347bd49b9cd428ef9a76f6e3bad9319ee0ff6e2eff
+FROM python:3.9.1-slim-buster@sha256:af2d64e6de9f891bd5958a498bd2394389143749b3c57ffcc8c2aec054b28ad5
 
 # renovate: datasource=pypi depName=poetry versioning=semver
 ENV POETRY_VERSION v1.1.4