diff --git a/etc/requirements.txt b/etc/requirements.txt
index 4b17de47..cdfe7dd4 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -2,7 +2,7 @@
 pip>=7.1.0
 
 # Logging
-Logbook==0.10.0
+Logbook==0.12.5
 
 # Scientific Libraries
 
diff --git a/zipline/examples/olmar.py b/zipline/examples/olmar.py
index 73950523..9294ea35 100644
--- a/zipline/examples/olmar.py
+++ b/zipline/examples/olmar.py
@@ -9,7 +9,7 @@ from zipline.utils.factory import load_from_yahoo
 from zipline.finance import commission
 
 zipline_logging = logbook.NestedSetup([
-    logbook.NullHandler(level=logbook.DEBUG, bubble=True),
+    logbook.NullHandler(),
     logbook.StreamHandler(sys.stdout, level=logbook.INFO),
     logbook.StreamHandler(sys.stderr, level=logbook.ERROR),
 ])