diff --git a/README.md b/README.md
index 61054f8f2..9c0c87887 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 [![Open Collective supporters](https://opencollective.com/nixos/tiers/supporter/badge.svg?label=Supporters&color=brightgreen)](https://opencollective.com/nixos)
+[![Test](https://github.com/NixOS/nix/workflows/Test/badge.svg)](https://github.com/NixOS/nix/actions)
 
 Nix, the purely functional package manager
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