diff --git a/Gemfile.lock b/Gemfile.lock
index 368a9fc..ba7cbb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,7 @@ GEM
       temple (>= 0.8.2)
       thor
       tilt
-    json (2.12.2)
+    json (2.15.2)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
@@ -37,14 +37,14 @@ GEM
     ougai (2.0.0)
       oj (~> 3.10)
     parallel (1.27.0)
-    parser (3.3.8.0)
+    parser (3.3.9.0)
       ast (~> 2.4.1)
       racc
     pg (1.5.9)
     pg_query (6.1.0)
       google-protobuf (>= 3.25.3)
     prettier_print (1.2.1)
-    prism (1.4.0)
+    prism (1.6.0)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -53,7 +53,7 @@ GEM
     rake (13.3.0)
     rbs (3.9.4)
       logger
-    regexp_parser (2.10.0)
+    regexp_parser (2.11.3)
     rspec (3.13.1)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -67,7 +67,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.4)
-    rubocop (1.76.0)
+    rubocop (1.81.6)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -75,10 +75,10 @@ GEM
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.45.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.45.0)
+    rubocop-ast (1.47.1)
       parser (>= 3.3.7.2)
       prism (~> 1.4)
     rubocop-packaging (0.6.0)
@@ -110,9 +110,9 @@ GEM
     temple (0.10.3)
     thor (1.4.0)
     tilt (2.6.0)
-    unicode-display_width (3.1.4)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.1.0)
 
 PLATFORMS
   arm64-darwin-22
diff --git a/lib/pg_easy_replicate/stats.rb b/lib/pg_easy_replicate/stats.rb
index ba0f91d..06fbf9c 100644
--- a/lib/pg_easy_replicate/stats.rb
+++ b/lib/pg_easy_replicate/stats.rb
@@ -122,7 +122,7 @@ def all_tables_replicating?(group_name)
             .with_object(Hash.new(0)) do |state, counts|
               counts[state[:replication_state]] += 1
             end
-        result.keys.uniq.count == 1 &&
+        result.keys.uniq.one? &&
           result.keys.first == REPLICATION_STATE_MAP["r"]
       end
 
diff --git a/pg_easy_replicate.gemspec b/pg_easy_replicate.gemspec
index b86e1ab..535d1d0 100644
--- a/pg_easy_replicate.gemspec
+++ b/pg_easy_replicate.gemspec
@@ -15,11 +15,13 @@ Gem::Specification.new do |spec|
   spec.license = "MIT"
   spec.required_ruby_version = ">= 3.0.0"
 
-  spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = spec.homepage
-  spec.metadata[
-    "changelog_uri"
-  ] = "https://github.com/shayonj/pg_easy_replicate/blob/main/CODE_OF_CONDUCT.md"
+  spec.metadata = {
+    "homepage_uri" => spec.homepage,
+    "source_code_uri" => spec.homepage,
+    "changelog_uri" =>
+      "https://github.com/shayonj/pg_easy_replicate/blob/main/CODE_OF_CONDUCT.md",
+    "rubygems_mfa_required" => "true"
+  }
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -36,7 +38,6 @@ Gem::Specification.new do |spec|
   spec.bindir = "bin"
   spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.metadata = { "rubygems_mfa_required" => "true" }
 
   spec.add_dependency("ougai", "~> 2.0.0")
   spec.add_dependency("pg", "~> 1.5.3")