use gradle 8.4 (#2869)
diff --git a/lib/java/README.md b/lib/java/README.md
index aa07495..c65f97c 100644
--- a/lib/java/README.md
+++ b/lib/java/README.md
@@ -50,13 +50,13 @@
following this step (which is also done in the travis CI docker images):
```bash
-export GRADLE_VERSION="8.0.2"
+export GRADLE_VERSION="8.4"
# install dependencies
apt-get install -y --no-install-recommends openjdk-17-jdk-headless wget unzip
# download gradle distribution
wget https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip -q -O /tmp/gradle-$GRADLE_VERSION-bin.zip
# check binary integrity
-echo "ff7bf6a86f09b9b2c40bb8f48b25fc19cf2b2664fd1d220cd7ab833ec758d0d7 /tmp/gradle-$GRADLE_VERSION-bin.zip" | sha256sum -c -
+echo "3e1af3ae886920c3ac87f7a91f816c0c7c436f276a6eefdb3da152100fef72ae /tmp/gradle-$GRADLE_VERSION-bin.zip" | sha256sum -c -
# unzip and install
unzip -d /tmp /tmp/gradle-$GRADLE_VERSION-bin.zip
mv /tmp/gradle-$GRADLE_VERSION /usr/local/gradle