diff --git a/README.md b/README.md
index 7da1462054ecdab144ab005c9908055a109b796f..39edd021777a2741cc5d9eb390a6bc8db81ff9b8 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Project is pure C++ builded by makefile. Some tests are handled by
 shell scripts.
 
  * `make >= 3.9`
- * `g++ >= 4.8` or `clang++ >= 3.5`
+ * `g++ >= 4.8` or `clang++ >= 4.0`
  * `libcppunit-dev`
  * `libtclap-dev`
  * `libxml2-dev`