diff --git a/.github/workflows/integration-tests-on-emulator.yml b/.github/workflows/integration-tests-on-emulator.yml
index 3fb1f0b3..f0291cde 100644
--- a/.github/workflows/integration-tests-on-emulator.yml
+++ b/.github/workflows/integration-tests-on-emulator.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.8'
+          ruby-version: '4.0.2'
           working-directory: spannerlib/wrappers/spannerlib-ruby
           bundler-cache: true
       - name: Compile and Run Ruby Integration Tests
diff --git a/.github/workflows/release-ruby-wrapper.yml b/.github/workflows/release-ruby-wrapper.yml
index e9e90313..873dc7a1 100644
--- a/.github/workflows/release-ruby-wrapper.yml
+++ b/.github/workflows/release-ruby-wrapper.yml
@@ -42,7 +42,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.8'
+          ruby-version: '4.0.2'
           bundler-cache: true
           working-directory: 'spannerlib/wrappers/spannerlib-ruby'
 
@@ -95,7 +95,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.8'
+          ruby-version: '4.0.2'
           bundler-cache: true
           working-directory: 'spannerlib/wrappers/spannerlib-ruby'
 
diff --git a/.github/workflows/ruby-wrapper-lint.yml b/.github/workflows/ruby-wrapper-lint.yml
index 849bf491..e8d1e684 100644
--- a/.github/workflows/ruby-wrapper-lint.yml
+++ b/.github/workflows/ruby-wrapper-lint.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.8'       
+          ruby-version: '4.0.2'       
           bundler-cache: true 
           working-directory: spannerlib/wrappers/spannerlib-ruby 
 
diff --git a/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-grpc-tests/spannerlib-dotnet-grpc-tests.csproj b/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-grpc-tests/spannerlib-dotnet-grpc-tests.csproj
index 1a49a41c..4008498e 100644
--- a/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-grpc-tests/spannerlib-dotnet-grpc-tests.csproj
+++ b/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-grpc-tests/spannerlib-dotnet-grpc-tests.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.4"/>
+    <PackageReference Include="coverlet.collector" Version="8.0.1"/>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0"/>
     <PackageReference Include="NUnit" Version="4.5.0"/>
     <PackageReference Include="NUnit.Analyzers" Version="4.11.2"/>
diff --git a/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-tests/spannerlib-dotnet-tests.csproj b/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-tests/spannerlib-dotnet-tests.csproj
index b1d7420c..c611bc2f 100644
--- a/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-tests/spannerlib-dotnet-tests.csproj
+++ b/spannerlib/wrappers/spannerlib-dotnet/spannerlib-dotnet-tests/spannerlib-dotnet-tests.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="6.0.4"/>
+    <PackageReference Include="coverlet.collector" Version="8.0.1"/>
     <PackageReference Include="Google.Cloud.Spanner.Data" Version="5.12.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0"/>
     <PackageReference Include="NUnit" Version="4.5.0"/>
diff --git a/spannerlib/wrappers/spannerlib-python/spannerlib-python/requirements.txt b/spannerlib/wrappers/spannerlib-python/spannerlib-python/requirements.txt
index d08e05bd..f78f382e 100644
--- a/spannerlib/wrappers/spannerlib-python/spannerlib-python/requirements.txt
+++ b/spannerlib/wrappers/spannerlib-python/spannerlib-python/requirements.txt
@@ -1,2 +1,2 @@
-nox==2025.11.12
+nox==2026.2.9
 setuptools>=68.0
diff --git a/spannerlib/wrappers/spannerlib-ruby/Gemfile b/spannerlib/wrappers/spannerlib-ruby/Gemfile
index d26eff81..e623dad4 100644
--- a/spannerlib/wrappers/spannerlib-ruby/Gemfile
+++ b/spannerlib/wrappers/spannerlib-ruby/Gemfile
@@ -7,7 +7,7 @@ gemspec
 gem "rake", "~> 13.0"
 
 group :development, :test do
-  gem "minitest", "~> 5.0"
+  gem "minitest", "~> 6.0"
   gem "rake-compiler", "~> 1.0"
   gem "rspec", "~> 3.0"
   gem "rubocop", require: false