diff --git a/etc/requirements.txt b/etc/requirements.txt
index 899161f5..f64ba4a9 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -2,7 +2,7 @@ msgpack-python==0.2.2
 iso8601==0.1.4
 
 # Logging
-Logbook==0.3
+Logbook==0.4
 
 blist==1.3.4