diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 4012eec7f..14648582e 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -64,7 +64,7 @@ jobs:
     # This is only available on public repositories.
     if: >
       always() &&
-      !contains(fromJSON('[["cancelled", "skipped"]]'), needs.workflow_syntax.result) &&
+      !contains(fromJSON('["cancelled", "skipped"]'), needs.workflow_syntax.result) &&
       !github.event.repository.private
     runs-on: ubuntu-latest
     permissions:
diff --git a/.ruby-version b/.ruby-version
index fa7adc7ac..9c25013db 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.3.5
+3.3.6
diff --git a/Gemfile.lock b/Gemfile.lock
index 932aa73d2..546d4c3d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ DEPENDENCIES
   simplecov-cobertura
 
 RUBY VERSION
-   ruby 3.3.5p100
+   ruby 3.3.6p108
 
 BUNDLED WITH
    2.5.20
diff --git a/spec/bundle/brew_dumper_spec.rb b/spec/bundle/brew_dumper_spec.rb
index 5b9f5aafb..d6a8cdbdf 100644
--- a/spec/bundle/brew_dumper_spec.rb
+++ b/spec/bundle/brew_dumper_spec.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require "ostruct"
 require "spec_helper"
 require "tsort"
 require "formula"
diff --git a/spec/bundle/skipper_spec.rb b/spec/bundle/skipper_spec.rb
index c92a22515..ad2f081d7 100644
--- a/spec/bundle/skipper_spec.rb
+++ b/spec/bundle/skipper_spec.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require "ostruct"
 require "spec_helper"
 
 describe Bundle::Skipper do
diff --git a/spec/stub/formula.rb b/spec/stub/formula.rb
index 3022d948e..71abb55cd 100644
--- a/spec/stub/formula.rb
+++ b/spec/stub/formula.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require "ostruct"
 require "pathname"
 
 class Formula
diff --git a/spec/stub/os.rb b/spec/stub/os.rb
index cdcce433b..e93bee944 100644
--- a/spec/stub/os.rb
+++ b/spec/stub/os.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "ostruct"
+
 module MacOS
   module CLT
     def self.version
diff --git a/spec/stub/tap.rb b/spec/stub/tap.rb
index d7a956b64..192ca489d 100644
--- a/spec/stub/tap.rb
+++ b/spec/stub/tap.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require "ostruct"
+
 class Tap
   def self.select(*)
     []