diff --git a/.nuget/packages.config b/.nuget/packages.config
index 4eb71e8d4..f7010adb5 100644
--- a/.nuget/packages.config
+++ b/.nuget/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Codecov" version="1.8.0" />
+  <package id="Codecov" version="1.9.0" />
   <package id="OpenCover" version="4.6.519" />
   <package id="ReportGenerator" version="2.3.5.0" targetFramework="net452" />
   <package id="xunit.runner.console" version="2.4.1" />
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index a17012b2c..6647b3d59 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -53,6 +53,17 @@ jobs:
       testResultsFormat: xUnit
       testResultsFiles: 'build/*.xml'
 
+  - task: PowerShell@2
+    displayName: Upload coverage reports to codecov.io
+    condition: eq(variables['BuildConfiguration'], 'Debug')
+    inputs:
+      workingDirectory: '$(Build.SourcesDirectory)/build'
+      script: |
+        $packageConfig = [xml](Get-Content ..\.nuget\packages.config)
+        $codecov_version = $packageConfig.SelectSingleNode('/packages/package[@id="Codecov"]').version
+        $codecov = "..\packages\Codecov.$codecov_version\tools\codecov.exe"
+        &$codecov -f '..\build\OpenCover.Reports\OpenCover.StyleCopAnalyzers.xml'
+
   - task: PublishBuildArtifacts@1
     displayName: Publish build logs
     inputs: