diff --git a/etc/requirements.txt b/etc/requirements.txt
index 9abb123e..89c60c62 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -1,5 +1,5 @@
 # Logging
-Logbook==0.6.0
+Logbook==0.9.1
 
 # Scientific Libraries