diff --git a/syncmaster/settings/log/colored.yml b/syncmaster/settings/log/colored.yml
index 26b22623..3db3f0dd 100644
--- a/syncmaster/settings/log/colored.yml
+++ b/syncmaster/settings/log/colored.yml
@@ -47,3 +47,7 @@ loggers:
     handlers: [main]
     level: INFO
     propagate: false
+  py4j:
+    handlers: [main]
+    level: WARNING
+    propagate: false
diff --git a/syncmaster/settings/log/json.yml b/syncmaster/settings/log/json.yml
index bef89213..f06de0e7 100644
--- a/syncmaster/settings/log/json.yml
+++ b/syncmaster/settings/log/json.yml
@@ -46,3 +46,7 @@ loggers:
     handlers: [main]
     level: INFO
     propagate: false
+  py4j:
+    handlers: [main]
+    level: WARNING
+    propagate: false
diff --git a/syncmaster/settings/log/plain.yml b/syncmaster/settings/log/plain.yml
index 1643876b..5a59ee3f 100644
--- a/syncmaster/settings/log/plain.yml
+++ b/syncmaster/settings/log/plain.yml
@@ -47,3 +47,7 @@ loggers:
     handlers: [main]
     level: INFO
     propagate: false
+  py4j:
+    handlers: [main]
+    level: WARNING
+    propagate: false