Gemfile.lock in app_perf_agent-0.0.6 vs Gemfile.lock in app_perf_agent-0.0.7

@@ -1,21 +1,23 @@
 PATH
   remote: .
   specs:
-    app_perf_agent (0.0.5)
+    app_perf_agent (0.0.7)
       msgpack
-      vmstat (= 2.3.0)
+      pg
+      vmstat (= 2.3.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     coderay (1.1.1)
     diff-lcs (1.3)
     docile (1.1.5)
     json (2.1.0)
     method_source (0.8.2)
-    msgpack (1.1.0)
+    msgpack (1.2.6)
+    pg (1.1.4)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
     rake (12.0.0)
@@ -36,11 +38,11 @@
       docile (~> 1.1.0)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.1)
     slop (3.6.0)
-    vmstat (2.3.0)
+    vmstat (2.3.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
@@ -49,6 +51,6 @@
   rake (= 12.0.0)
   rspec (= 3.6.0)
   simplecov (= 0.14.1)
 
 BUNDLED WITH
-   1.15.3
+   1.16.1