diff --git a/Gemfile.lock b/Gemfile.lock
index 0bff39a..fe238c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,7 +114,7 @@ GEM
       parser (>= 2.5, != 2.5.1.1)
     iniparse (1.4.4)
     jaro_winkler (1.5.4)
-    json (2.2.0)
+    json (2.3.1)
     json_matchers (0.11.1)
       json_schema
     json_schema (0.20.8)
@@ -137,7 +137,7 @@ GEM
     minitest (5.13.0)
     msgpack (1.3.1)
     nio4r (2.5.2)
-    nokogiri (1.10.5)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     overcommit (0.51.0)
       childprocess (>= 0.6.3, < 4)
@@ -155,7 +155,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     psych (3.1.0)
-    puma (4.3.1)
+    puma (4.3.3)
       nio4r (~> 2.0)
     rack (2.2.2)
     rack-test (1.1.0)