diff --git a/projects_using_cobra.md b/projects_using_cobra.md
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--- a/projects_using_cobra.md
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@@ -1,5 +1,6 @@
 ## Projects using Cobra
 
+- [Allero](https://github.com/allero-io/allero)
 - [Arduino CLI](https://github.com/arduino/arduino-cli)
 - [Bleve](https://blevesearch.com/)
 - [Cilium](https://cilium.io/)