Gemfile.lock in csvpp-0.3.0 vs Gemfile.lock in csvpp-0.3.1

@@ -1,39 +1,28 @@
 PATH
   remote: .
   specs:
-    csvpp (0.3.0)
+    csvpp (0.3.1)
       oj (~> 3.3.9)
-      sinatra (~> 2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     byebug (9.1.0)
     coderay (1.1.2)
     method_source (0.9.0)
     minitest (5.10.3)
-    mustermann (1.0.1)
     oj (3.3.10)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-byebug (3.5.0)
       byebug (~> 9.1)
       pry (~> 0.10)
     pry-doc (0.11.1)
       pry (~> 0.9)
       yard (~> 0.9)
-    rack (2.0.3)
-    rack-protection (2.0.0)
-      rack
     rake (12.3.0)
-    sinatra (2.0.0)
-      mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.0)
-      tilt (~> 2.0)
-    tilt (2.0.8)
     yard (0.9.11)
 
 PLATFORMS
   ruby