diff --git a/CHANGELOG.md b/CHANGELOG.md
index 048adac43b150b1c912bc78c1ec0bc24e3a3771c..4db7f439cb25d7a0bbc5dcd3e97bef494b9218b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 1.0.1
 
+* Added serialport gem as a project dependency.
+
 ## 1.0.0
 
 * Initial release
\ No newline at end of file
diff --git a/kiss-tnc.gemspec b/kiss-tnc.gemspec
index 152eb14f98925318687047f6090573e50e68ef77..98b93378ea1ebcf10791549fe2985e881554f59d 100644
--- a/kiss-tnc.gemspec
+++ b/kiss-tnc.gemspec
@@ -30,6 +30,7 @@ Gem::Specification.new do |spec|
     spec.require_paths = ['lib']
 
     spec.add_dependency 'abstraction', '~> 0.0.4'
+    spec.add_dependency 'serialport', '~> 1.3'
     spec.add_development_dependency 'bundler', '~> 1.13'
     spec.add_development_dependency 'rake', '~> 11.3'
     spec.add_development_dependency 'rdoc', '~> 4.2'