diff --git a/Gemfile.lock b/Gemfile.lock
index deda174..887aca6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,11 +5,11 @@ GEM
     byebug (11.1.1)
     jaro_winkler (1.5.4)
     logger (1.4.2)
-    nio4r (2.5.2)
+    nio4r (2.5.8)
     parallel (1.19.1)
     parser (2.7.0.4)
       ast (~> 2.4.0)
-    puma (4.3.3)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.2.2)
     rainbow (3.0.0)