diff --git a/slacklinegroups/Gemfile.lock b/slacklinegroups/Gemfile.lock
index e793f8e..920c417 100644
--- a/slacklinegroups/Gemfile.lock
+++ b/slacklinegroups/Gemfile.lock
@@ -155,7 +155,7 @@ GEM
     method_source (1.0.0)
     mimemagic (0.3.5)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.1)
     minitest-reporters (1.4.2)
       ansi
@@ -165,8 +165,9 @@ GEM
     msgpack (1.3.3)
     nested_form (0.3.2)
     nio4r (2.5.2)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.19.2)
     parser (2.7.1.4)
@@ -175,6 +176,7 @@ GEM
     public_suffix (4.0.5)
     puma (4.3.5)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-pjax (1.1.0)
       nokogiri (~> 1.5)