diff --git a/README.md b/README.md
index 01c8ad4fdff7cd80bd60cd0c317846b2cb84ca28..e3ab08b4b2e98685ce88e2f5d33ce0e352ca45c9 100644
--- a/README.md
+++ b/README.md
@@ -43,3 +43,27 @@ all of the endpoints are in /service
 
 for more information about the endpoints, you can check the wsdl file in /service?wsdl
 
+## Contributors
+1. initial setup
+    - 13521022
+2. authentication
+    - 13521021
+    - 13521022
+3. gems management
+   - 13521022 
+4. transaction management
+   - 13521022 
+5. voucher logging
+     - 13521022
+6. request logging
+     - 13521022
+ 7. integration
+    - 13521019
+    - 13521021
+8. mail support
+    - 13521022 
+9. testing and fixing bugs
+   - 13521019
+   - 13521021
+   - 13521022 
+