diff --git a/xwords4/android/app/build.gradle b/xwords4/android/app/build.gradle
index f4f3084cb..5c79a1d8c 100644
--- a/xwords4/android/app/build.gradle
+++ b/xwords4/android/app/build.gradle
@@ -350,7 +350,7 @@ dependencies {
 
     implementation 'com.github.eehouse:nbsproxy:v0.2.2'
 
-    implementation "org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.+"
+    implementation "org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.1.+"
 
     implementation 'com.google.zxing:core:3.3.+'
 }