diff --git a/src/projects/onion-mixer/index.yaml b/src/projects/onion-mixer/index.yaml
index f8460490..9da98c43 100644
--- a/src/projects/onion-mixer/index.yaml
+++ b/src/projects/onion-mixer/index.yaml
@@ -4,3 +4,4 @@ categories:
 description: 'Onion Mixer is the first decentralized protocol for anonymous cross-chain transactions'
 links:
   web: https://onionmixer.gitbook.io/onion-mixer/
+sunset: true