diff --git a/Gemfile.lock b/Gemfile.lock
index b268b4a..f3c707b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -16,7 +16,9 @@ GEM
   remote: https://rubygems.org/
   specs:
     dotenv (2.7.6)
-    mqtt (0.5.0)
+    logger (1.7.0)
+    mqtt (0.7.0)
+      logger
 
 PLATFORMS
   ruby