diff --git a/Gemfile.lock b/Gemfile.lock
index ee6e9e58f..2584dd147 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
     pkg-config (1.3.2)
     prometheus_exporter (0.5.1)
     public_suffix (4.0.5)
-    puma (4.3.3)
+    puma (4.3.5)
       nio4r (~> 2.0)
     puma_worker_killer (0.1.1)
       get_process_mem (~> 0.2)