diff --git a/Gemfile.lock b/Gemfile.lock
index 5729e39d..5e31864e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
     parallel (1.19.1)
     parser (2.7.0.1)
       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)