docs: fix docker example to use Python 3.9

sgratzl · Nov 19, 2021 · 28f74ab · 28f74ab
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commit 28f74ab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -124,7 +124,7 @@ Admin](https://get.slack.help/hc/en-us/articles/218124397-Change-a-member-s-role
 There is no direct docker file available, however since it is a python module one can easily create one:
 
 ```
-FROM python:3.7-alpine
+FROM python:3.9-alpine
 
 LABEL maintainer="Samuel Gratzl <[email protected]>"