diff --git a/README.md b/README.md
index c29b77ba84097f483986e1ab150ccb1b1e75b324..564ade9452d5779012ee4b04ff36ad947c6baeb2 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ PaddleOCR aims to create multilingual, awesome, leading, and practical OCR tools
 
 ## Notice
 PaddleOCR supports both dynamic graph and static graph programming paradigm
-- Dynamic graph: dygraph branch (default), **supported by paddle 2.0.0 ([installation](./doc/doc_en/installation_en.md))**
+- Dynamic graph: V2.2 branch (default), **supported by paddle 2.1.1 ([installation](./doc/doc_en/installation_en.md))**
 - Static graph: develop branch
 
 **Recent updates**