diff --git a/Gemfile.lock b/Gemfile.lock
index dedf16b..3ca210e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    shiroyagi (1.1.3)
+    shiroyagi (1.2.0)
       rails (>= 5.2.2)
 
 GEM
@@ -90,7 +90,7 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.2)
-    nio4r (2.5.4)
+    nio4r (2.5.7)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     pry (0.11.3)
@@ -174,4 +174,4 @@ DEPENDENCIES
   sqlite3 (~> 1.4)
 
 BUNDLED WITH
-   1.16.6
+   1.17.3
diff --git a/lib/shiroyagi/version.rb b/lib/shiroyagi/version.rb
index bea64fc..0b62cc0 100644
--- a/lib/shiroyagi/version.rb
+++ b/lib/shiroyagi/version.rb
@@ -1,3 +1,3 @@
 module Shiroyagi
-  VERSION = '1.1.3'
+  VERSION = '1.2.0'
 end