diff --git a/Gemfile.lock b/Gemfile.lock
index 1c9dd7feb..c647d1b27 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -199,7 +199,7 @@ GEM
     powerpack (0.1.1)
     protected_attributes (1.1.3)
       activemodel (>= 4.0.1, < 5.0)
-    puma (2.12.3)
+    puma (2.13.4)
     pundit (1.0.1)
       activesupport (>= 3.0.0)
     quiet_assets (1.1.0)