diff --git a/Gemfile b/Gemfile
index 1e2221f..14959f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -28,7 +28,7 @@ gem 'iri', '0.8.0'
 gem 'loog', '0.5.1'
 gem 'minitest', '5.21.2', require: false
 gem 'minitest-reporters', '1.6.1', require: false
-gem 'pgtk', '0.9.2'
+gem 'pgtk', '0.12.1'
 gem 'rack', '2.2.8.1'
 gem 'rack-ssl', '1.4.1'
 gem 'rack-test', '2.1.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index b0c877d..42f0848 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,6 +50,9 @@ GEM
     differ (0.1.2)
     docile (1.4.0)
     drb (2.2.1)
+    elapsed (0.0.1)
+      loog (> 0)
+      tago (> 0)
     erubi (1.12.0)
     eslintrb (2.1.0)
       execjs
@@ -134,14 +137,20 @@ GEM
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    pg (1.5.6)
-    pgtk (0.9.2)
-      backtrace (~> 0.3)
-      loog (~> 0.2)
+    pg (1.5.9)
+    pgtk (0.12.1)
+      backtrace (> 0)
+      loog (> 0)
       pg (~> 1.1)
-      random-port (~> 0.3)
+      qbash (> 0)
+      random-port (> 0)
     psych (5.1.2)
       stringio
+    qbash (0.2.2)
+      backtrace (> 0)
+      elapsed (> 0)
+      loog (> 0)
+      tago (> 0)
     racc (1.7.3)
     rack (2.2.8.1)
     rack-protection (3.2.0)
@@ -173,7 +182,8 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.1.0)
-    random-port (0.6.0)
+    random-port (0.7.4)
+      tago (> 0)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -259,6 +269,7 @@ GEM
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
     stringio (3.1.0)
+    tago (0.0.2)
     telebot (0.1.2)
       faraday
       faraday_middleware
@@ -302,7 +313,7 @@ DEPENDENCIES
   loog (= 0.5.1)
   minitest (= 5.21.2)
   minitest-reporters (= 1.6.1)
-  pgtk (= 0.9.2)
+  pgtk (= 0.12.1)
   rack (= 2.2.8.1)
   rack-ssl (= 1.4.1)
   rack-test (= 2.1.0)