diff --git a/README.md b/README.md
index 974c3f8..6dec5f1 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,8 @@ Developements and tests are done under the following OSs:
 - Debian 7
 - Windows XP/10
 And following IDEs/Compilers
-- GCC 4.7.2 and GCC 4.8.2
+- GCC 4.6.3, 4.7.2 and GCC 4.8.2
+- Clang 3.4
 - Eclipse CDT under Linux
 - Visual Studio Express 2008/2013/2015 for testing compatibility purpose