diff --git a/README.md b/README.md
index 4fdcbdd5e..39eba198f 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ The bitcoinj library is a Java implementation of the Bitcoin protocol, which all
 
 ### Technologies
 
-* Java 7+ and Gradle 4.4+ for the `core` module
+* Java 7+ and Gradle 4.4 - Gradle 6.9 for the `core` module
 * Java 8+ and Gradle 4.4 - Gradle 6.9 for `tools` and `examples`
 * Java 11+ and Gradle 4.10 - Gradle 6.9 for the JavaFX-based `wallettemplate`
 * [Gradle](https://gradle.org/) - for building the project