diff --git a/Gemfile.lock b/Gemfile.lock
index 50dc3140..66c4301d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,7 @@ GEM
       parser (>= 3.0.1.1)
     ruby-progressbar (1.11.0)
     simplecov-html (0.12.3)
-    simplecov_json_formatter (0.1.4)
+    simplecov_json_formatter (0.1.3)
     spoon (0.0.6)
       ffi
     sys-uname (1.2.2)
@@ -193,4 +193,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.3.26
+   2.3.4