diff --git a/Dockerfile b/Dockerfile
index 7459612..b8b6b6a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.10-rc-alpine3.12
+FROM python:3.10-rc-alpine3.13
 
 ARG BUILD_DATE
 ARG VCS_REF
diff --git a/README.md b/README.md
index 60e284d..030dc2d 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ push mirror lives in [this GitHub repo](https://github.com/wULLSnpAXbWZGYDYyhWTK
 development happens on [this Gitea instance](https://git.dotya.ml/wanderer/docker-alpine-rf)
 
 ## What you get
-* updated python[`:3.10-rc-alpine3.12`](https://hub.docker.com/_/python) image
+* updated python[`:3.10-rc-alpine3.13`](https://hub.docker.com/_/python) image
 * robot framework
 * selenium library
 * chromium