diff --git a/Gemfile.lock b/Gemfile.lock
index dd68dbe7..79781ef9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
     parallel (1.19.1)
     parser (2.7.0.4)
       ast (~> 2.4.0)
-    puma (4.3.1)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.1.2)
     rack-mini-profiler (1.1.5)