diff --git a/Gemfile.lock b/Gemfile.lock
index cbfa50f..9c10d68 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ PATH
     security_report (0.1.2)
       bundler-audit (~> 0.8)
       clap (~> 1.0)
-      terminal-table (~> 3.0)
+      terminal-table (~> 4.0)
 
 GEM
   remote: https://rubygems.org/
@@ -28,10 +28,12 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.10.0)
     rspec-support (3.10.2)
-    terminal-table (3.0.1)
-      unicode-display_width (>= 1.1.1, < 3)
+    terminal-table (4.0.0)
+      unicode-display_width (>= 1.1.1, < 4)
     thor (1.1.0)
-    unicode-display_width (2.0.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
 
 PLATFORMS
   ruby
diff --git a/security_report.gemspec b/security_report.gemspec
index d427c54..acaa9b5 100644
--- a/security_report.gemspec
+++ b/security_report.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency "bundler-audit", "~> 0.8"
   spec.add_dependency "clap", "~> 1.0"
-  spec.add_dependency "terminal-table", "~> 3.0"
+  spec.add_dependency "terminal-table", "~> 4.0"
 
   spec.add_development_dependency "bundler", "~> 1.1"
   spec.add_development_dependency "rake", "~> 13.0"