diff --git a/README.md b/README.md
index f3251b0c..6c3194e3 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ https://docs.openmicroscopy.org/latest/omero/developers/
 The compilation, testing, launch, and delivery of the application are
 automated by means of a Gradle (https://gradle.org/) build file.
 In order to perform a build, all you need is
-a JDK -- version 1.8 or later.
+a JDK -- version 11 and Gradle 6.8.x.
 Clone this GitHub repository `git clone https://github.com/ome/omero-gateway-java.git`.
 Go to the directory and enter: