diff --git a/README.md b/README.md
index 087f58a..ce81f55 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,5 @@ COOPGO's build container with usual dependencies
 ## Based on :
 
 - Golang 1.17
-- Node 16.X
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+- Node 16.X
+- Yarn
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