diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ca921dde2..acb0e79ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,8 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - head
-          - 3.0.0
+          - 3.0.1
           - 2.7.2
           - 2.6.6
         appraisal:
diff --git a/gemfiles/rails_5_1.gemfile.lock b/gemfiles/rails_5_1.gemfile.lock
index 0a6c98c41..0d6a87a2b 100644
--- a/gemfiles/rails_5_1.gemfile.lock
+++ b/gemfiles/rails_5_1.gemfile.lock
@@ -83,7 +83,7 @@ GEM
     mini_portile2 (2.5.0)
     minitest (5.14.4)
     nio4r (2.5.5)
-    nokogiri (1.11.1)
+    nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     parallel (1.20.1)
diff --git a/gemfiles/rails_5_2.gemfile.lock b/gemfiles/rails_5_2.gemfile.lock
index fb2c75fa2..5ae39881e 100644
--- a/gemfiles/rails_5_2.gemfile.lock
+++ b/gemfiles/rails_5_2.gemfile.lock
@@ -99,7 +99,7 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.5)
-    nokogiri (1.11.1)
+    nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     parallel (1.20.1)
diff --git a/gemfiles/rails_6_0.gemfile.lock b/gemfiles/rails_6_0.gemfile.lock
index daaaa88e6..e4a7de6de 100644
--- a/gemfiles/rails_6_0.gemfile.lock
+++ b/gemfiles/rails_6_0.gemfile.lock
@@ -107,7 +107,7 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.5)
-    nokogiri (1.11.1)
+    nokogiri (1.11.2)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     parallel (1.20.1)