diff --git a/README.md b/README.md
index 36e460a851a53d40b4ab442460594091fa22b20f..c859bc694043fc05a83ed47dae3f515eca0bbb42 100644
--- a/README.md
+++ b/README.md
@@ -11,10 +11,10 @@ that are assembled together by a user friendly language.
 ## Requirements
 
 For the most basic build, `pugs` only requires
-- a C++-17 compiler.
+- a C++-20 compiler.
   - g++-10 or higher versions
-  - clang-10 or higher versions
-- `CMake` (at least 3.16)
+  - clang-11 or higher versions
+- `CMake` (at least 3.19)
 
 > **Warning**:<br>
 > Building `pugs` in its source directory is **forbidden**. Trying to