1 files changed, 3 insertions, 0 deletions

diff --git a/README.md b/README.md
index 1dcd51b..e503119 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,10 @@ Notices: these are fast, don't expect high security level.
 
 # Build
 
+Compatible with PHP 8.0 or greater.
+
 You need the Extended crypt library development files (libxcrypt-devel)
+version 4.4 or greater.
 
 From the sources tree