diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 **WIP**: A proof of concept for a CSAF trusted provider, checker and aggregator.
 
+Status: Alpha (about 90% functionality is there)
+
 ## Setup
 
 - A recent version of **Go** (1.17+) should be installed. [Go installation](https://go.dev/doc/install)