diff --git a/Gemfile.lock b/Gemfile.lock
index 861a2fe2..67ef19e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -211,7 +211,7 @@ GEM
     pg (0.21.0)
     popper_js (1.14.5)
     public_suffix (3.1.1)
-    puma (3.12.2)
+    puma (3.12.3)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)