diff --git a/lib/importmap/commands.rb b/lib/importmap/commands.rb
index 3760631..15f1289 100644
--- a/lib/importmap/commands.rb
+++ b/lib/importmap/commands.rb
@@ -103,6 +103,11 @@ def outdated
     end
   end
 
+  desc "update", "Update outdated package pins"
+  def update
+    pin npm.outdated_packages.map(&:name)
+  end
+
   desc "packages", "Print out packages with version numbers"
   def packages
     puts npm.packages_with_versions.map { |x| x.join(' ') }