diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index cda1c1b..028f914 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,8 +12,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-18.04, windows-2019]
-        ruby: ['2.6', '2.7', '3.0', '3.1']
+        os: [ubuntu-24.04, windows-2022]
+        ruby: ['3.0', '3.1', '3.2', '3.3', '3.4']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
diff --git a/winrm-fs.gemspec b/winrm-fs.gemspec
index b2596e5..18ce47e 100644
--- a/winrm-fs.gemspec
+++ b/winrm-fs.gemspec
@@ -28,6 +28,8 @@ Gem::Specification.new do |s|
   s.bindir = 'bin'
   s.executables = ['rwinrmcp']
   s.required_ruby_version = '>= 2.5.0'
+  s.add_runtime_dependency 'benchmark'
+  s.add_runtime_dependency 'csv', '~> 3.3'
   s.add_runtime_dependency 'erubi', '>= 1.7'
   s.add_runtime_dependency 'logging', ['>= 1.6.1', '< 3.0']
   s.add_runtime_dependency 'rubyzip', '~> 2.0'