diff --git a/Gemfile.lock b/Gemfile.lock
index 7563f28..4c68efa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     diff-lcs (1.3)
     docile (1.1.5)
     json (2.1.0)
-    puma (3.12.4)
+    puma (3.12.6)
     rack (1.6.13)
     rack-console (1.3.1)
       rack (>= 1.1)