diff --git a/Gemfile b/Gemfile
index 96969d9..f85048f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,8 +4,3 @@ source "https://rubygems.org"
 
 # The gem's dependencies are specified in gir_ffi.gemspec
 gemspec
-
-unless ENV["CI"]
-  gem "pry", require: false
-  gem "simplecov", require: false if RUBY_ENGINE == "ruby"
-end
diff --git a/gir_ffi-gtk.gemspec b/gir_ffi-gtk.gemspec
index e5545cb..f698e5b 100644
--- a/gir_ffi-gtk.gemspec
+++ b/gir_ffi-gtk.gemspec
@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
   spec.files = File.read("Manifest.txt").split
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency "gir_ffi", "~> 0.16.0"
+  spec.add_runtime_dependency "gir_ffi", "~> 0.17.0"
 
   spec.add_development_dependency "minitest", "~> 5.12"
   spec.add_development_dependency "rake", "~> 13.0"