diff --git a/Gemfile.lock b/Gemfile.lock
index cc2a1e0..1656505 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,7 +127,7 @@ GEM
     mocha (1.9.0)
       metaclass (~> 0.0.1)
     msgpack (1.3.1)
-    nio4r (2.5.7)
+    nio4r (2.5.8)
     nokogiri (1.12.5)
       mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
@@ -138,7 +138,7 @@ GEM
     prometheus-client (0.9.0)
       quantile (~> 0.2.1)
     public_suffix (4.0.6)
-    puma (4.3.8)
+    puma (4.3.9)
       nio4r (~> 2.0)
     quantile (0.2.1)
     raabro (1.1.6)