diff --git a/Gemfile.lock b/Gemfile.lock
index b637af02..6a67b3b1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -181,7 +181,7 @@ GEM
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
-    mnemosyne-ruby (1.5.1)
+    mnemosyne-ruby (1.6.1)
       activesupport (>= 4)
       bunny
     msgpack (1.2.10)