diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index b1b6a5c..e0e45be 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -26,4 +26,4 @@ jobs:
       run: dotnet build src/CodeCoverageSummary.sln --configuration Release --no-restore
 
     - name: Test with sample file
-      run: dotnet src/CodeCoverageSummary/bin/Release/net6.0/CodeCoverageSummary.dll --files src/coverage.cobertura.xml --badge true
+      run: dotnet src/CodeCoverageSummary/bin/Release/net6.0/CodeCoverageSummary.dll --files **/coverage.*.xml --badge true
diff --git a/.github/workflows/release-build.yml b/.github/workflows/release-build.yml
index f49ae90..eb1e12c 100644
--- a/.github/workflows/release-build.yml
+++ b/.github/workflows/release-build.yml
@@ -30,7 +30,7 @@ jobs:
       run: dotnet build src/CodeCoverageSummary.sln --configuration Release --no-restore
 
     - name: Test with sample file
-      run: dotnet src/CodeCoverageSummary/bin/Release/net6.0/CodeCoverageSummary.dll --files src/coverage.cobertura.xml --badge true
+      run: dotnet src/CodeCoverageSummary/bin/Release/net6.0/CodeCoverageSummary.dll --files **/coverage.*.xml --badge true
 
   deploy:
     name: Deploy to GHCR
diff --git a/src/CodeCoverageSummary/CodeCoverageSummary.csproj b/src/CodeCoverageSummary/CodeCoverageSummary.csproj
index 374920c..32e884c 100644
--- a/src/CodeCoverageSummary/CodeCoverageSummary.csproj
+++ b/src/CodeCoverageSummary/CodeCoverageSummary.csproj
@@ -19,6 +19,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
+    <PackageReference Include="Microsoft.Extensions.FileSystemGlobbing" Version="6.0.0" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
   </ItemGroup>
 
diff --git a/src/CodeCoverageSummary/Program.cs b/src/CodeCoverageSummary/Program.cs
index 3473a89..e1e2ca3 100644
--- a/src/CodeCoverageSummary/Program.cs
+++ b/src/CodeCoverageSummary/Program.cs
@@ -1,5 +1,7 @@
 using CommandLine;
+using Microsoft.Extensions.FileSystemGlobbing;
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -19,8 +21,19 @@ private static int Main(string[] args)
                                  {
                                      try
                                      {
+                                         // use glob patterns to match files
+                                         Matcher matcher = new();
+                                         matcher.AddIncludePatterns(o.Files.ToArray());
+                                         IEnumerable<string> matchingFiles = matcher.GetResultsInFullPath(".");
+
+                                         if (matchingFiles?.Any() == false)
+                                         {
+                                             Console.WriteLine("Error: No files found matching glob pattern.");
+                                             return -2; // error
+                                         }
+
                                          // check files exist
-                                         foreach (var file in o.Files)
+                                         foreach (var file in matchingFiles)
                                          {
                                              if (!File.Exists(file))
                                              {
@@ -31,13 +44,13 @@ private static int Main(string[] args)
 
                                          // parse code coverage file
                                          CodeSummary summary = new();
-                                         foreach (var file in o.Files)
+                                         foreach (var file in matchingFiles)
                                          {
                                              Console.WriteLine($"Code Coverage File: {file}");
                                              summary = ParseTestResults(file, summary);
                                          }
-                                         summary.LineRate /= o.Files.Count();
-                                         summary.BranchRate /= o.Files.Count();
+                                         summary.LineRate /= matchingFiles.Count();
+                                         summary.BranchRate /= matchingFiles.Count();
 
                                          if (summary.Packages.Count == 0)
                                          {
diff --git a/src/CodeCoverageSummary/Properties/launchSettings.json b/src/CodeCoverageSummary/Properties/launchSettings.json
index 68bac46..25a681a 100644
--- a/src/CodeCoverageSummary/Properties/launchSettings.json
+++ b/src/CodeCoverageSummary/Properties/launchSettings.json
@@ -2,7 +2,7 @@
   "profiles": {
     "CodeCoverageSummary": {
       "commandName": "Project",
-      "commandLineArgs": "--files ../../../../coverage.cobertura.xml,../../../../coverage.cobertura.xml --format=text --badge true --thresholds=\"85 90\" --fail true"
+      "commandLineArgs": "--files **/coverage.*.xml --format=text --badge true --thresholds=\"85 90\" --fail true"
     },
     "Docker": {
       "commandName": "Docker",