diff --git a/Gemfile.lock b/Gemfile.lock
index 924cb39..3e8f2ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -132,7 +132,7 @@ GEM
       slop (~> 3.4)
     pry-rails (0.3.4)
       pry (>= 0.9.10)
-    puma (3.6.0)
+    puma (3.12.6)
     rack (2.0.1)
     rack-cors (0.4.0)
     rack-test (0.6.3)