diff --git a/README.md b/README.md
index 1496300..01c0c2e 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ you will get 512x512px tiles with a pixel ratio of 2 (= HiDPI tiles).
 
 ## Build
 ### Requirements
-* Qt 5
+* Qt >= 5.6
 * Google Protocol Buffers (protobuf-lite)
 * Zlib