diff --git a/src/chocolatey/infrastructure.app/ApplicationParameters.cs b/src/chocolatey/infrastructure.app/ApplicationParameters.cs
index 693228675a..082aa2de9f 100644
--- a/src/chocolatey/infrastructure.app/ApplicationParameters.cs
+++ b/src/chocolatey/infrastructure.app/ApplicationParameters.cs
@@ -61,6 +61,8 @@ public static class ApplicationParameters
         /// </summary>
         public static int DefaultWaitForExitInSeconds = 2700;
 
+        public static readonly string[] ConfigFileExtensions = new string[] {".autoconf",".config",".conf",".cfg",".jsc",".json",".jsonp",".ini",".xml",".yaml"};
+
         public static class Tools
         {
             //public static readonly string WebPiCmdExe = _fileSystem.combine_paths(InstallLocation, "nuget.exe");
diff --git a/src/chocolatey/infrastructure.app/services/NugetService.cs b/src/chocolatey/infrastructure.app/services/NugetService.cs
index 2f46bbc927..4a2a2a9a06 100644
--- a/src/chocolatey/infrastructure.app/services/NugetService.cs
+++ b/src/chocolatey/infrastructure.app/services/NugetService.cs
@@ -612,6 +612,22 @@ public void backup_existing_version(ChocolateyConfiguration config, IPackage ins
                         this.Log().Error("Error during backup (reset phase):{0} {1}".format_with(Environment.NewLine, ex.Message));
                     }
                 }
+
+                backup_configuration_files(pkgInstallPath, installedPackage.Version.to_string());
+
+            }
+        }
+
+        private void backup_configuration_files(string packageInstallPath, string version)
+        {
+            var configFiles = _fileSystem.get_files(packageInstallPath, ApplicationParameters.ConfigFileExtensions, SearchOption.AllDirectories);
+            foreach (var file in configFiles.or_empty_list_if_null())
+            {
+                var backupName = "{0}.{1}.{2}".format_with(_fileSystem.get_file_name_without_extension(file), version, _fileSystem.get_file_extension(file));
+
+                FaultTolerance.try_catch_with_logging_exception(
+                    () => _fileSystem.copy_file(file, _fileSystem.combine_paths(_fileSystem.get_directory_name(file), backupName), overwriteExisting: true),
+                    "Error backing up configuration file");
             }
         }