diff --git a/Gemfile.lock b/Gemfile.lock
index 53f0235..cc15c30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (0.21.0)
-    puma (5.6.2)
+    puma (5.6.4)
       nio4r (~> 2.0)
     racc (1.6.0)
     rack (2.2.3)