diff --git a/README.md b/README.md
index 0ec449f0ea..9c6110f2ff 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ Requirements:
 - C++11 compiler
 - Python >= 3.7 for Linux, Windows and MacOS amd64
 - Python >= 3.8 for MacOS arm64
-- [Oracle GraalVM Java 17](https://www.graalvm.org/downloads/)
+- [Oracle GraalVM Java 21](https://www.graalvm.org/downloads/)
 
 To build from sources and install PyPowSyBl package: