diff --git a/Gemfile.lock b/Gemfile.lock
index 9090997..41116c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -124,7 +124,7 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (2.2.0)
+    json (2.3.1)
     launchy (2.4.3)
       addressable (~> 2.3)
     leaflet-rails (1.0.3)
@@ -227,11 +227,12 @@ GEM
     simple_form (4.0.0)
       actionpack (> 4)
       activemodel (> 4)
-    simplecov (0.17.0)
+    simplecov (0.20.0)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
+    simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.2)
     spring (2.1.0)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)