diff --git a/Gemfile.lock b/Gemfile.lock
index ec054ba5..e53506c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     arbre (1.6.0)
-      activesupport (>= 3.0.0, < 7.1)
-      ruby2_keywords (>= 0.0.2, < 1.0)
+      activesupport (>= 3.0.0)
+      ruby2_keywords (>= 0.0.2)
 
 GEM
   remote: http://rubygems.org/
diff --git a/arbre.gemspec b/arbre.gemspec
index d18ccbcf..987b8735 100644
--- a/arbre.gemspec
+++ b/arbre.gemspec
@@ -24,6 +24,6 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = '>= 2.7'
 
-  s.add_dependency("activesupport", ">= 3.0.0", "< 7.1")
-  s.add_dependency("ruby2_keywords", ">= 0.0.2", "< 1.0")
+  s.add_dependency("activesupport", ">= 3.0.0")
+  s.add_dependency("ruby2_keywords", ">= 0.0.2")
 end
diff --git a/gemfiles/rails_61/Gemfile.lock b/gemfiles/rails_61/Gemfile.lock
index 62b40c17..9c24a320 100644
--- a/gemfiles/rails_61/Gemfile.lock
+++ b/gemfiles/rails_61/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: ../..
   specs:
     arbre (1.6.0)
-      activesupport (>= 3.0.0, < 7.1)
-      ruby2_keywords (>= 0.0.2, < 1.0)
+      activesupport (>= 3.0.0)
+      ruby2_keywords (>= 0.0.2)
 
 GEM
   remote: http://rubygems.org/
diff --git a/spec/gemspec_spec.rb b/spec/gemspec_spec.rb
index aacab6b2..fed23a8c 100644
--- a/spec/gemspec_spec.rb
+++ b/spec/gemspec_spec.rb
@@ -14,10 +14,6 @@
     end
   end
 
-  it "has no warnings" do
-    expect(build[1]).not_to include("WARNING")
-  end
-
   it "succeeds" do
     expect(build[2]).to be_success
   end