diff --git a/bindings/jni/build.gradle b/bindings/jni/build.gradle
index 86a55c4d0..d9ddbf4c8 100644
--- a/bindings/jni/build.gradle
+++ b/bindings/jni/build.gradle
@@ -28,7 +28,11 @@ subprojects {
     repositories {
         mavenLocal()
         mavenCentral()
-        jcenter()
+        // BINTRAY no more responding.
+        // JFROG announced JCENTER & BINTRAY shutdown in 2021.
+        // - What to do for the JFROG plugin ?
+        // - Is the README still valid ?
+        /* jcenter() */
     }
 
     group = 'org.zeromq.czmq'