diff --git a/EsrpSign.yml b/EsrpSign.yml
index 2b9934c..873a508 100644
--- a/EsrpSign.yml
+++ b/EsrpSign.yml
@@ -7,6 +7,8 @@ parameters:
     default: "CP-230012"
   - name: "pattern"
     default: "*.dll,*.exe"
+  - name: "useMinimatch"
+    default: "false"
 
 steps:
 - task: UseDotNet@2
@@ -50,10 +52,10 @@ steps:
   inputs:
     ConnectedServiceName: pwshSigning
     FolderPath: '${{ parameters.buildOutputPath }}'
-    UseMinimatch: false
     signConfigType: inlineSignParams
     inlineOperation: $(EsrpJson)
     Pattern: ${{ parameters.pattern }}
+    UseMinimatch: ${{ parameters.useMinimatch }}
   condition: and(and(and(succeeded(), eq(variables['Build.Reason'], 'Manual')), ne(variables['SkipSigning'], 'True')), ne(variables['SigningServer'], ''))
   timeoutInMinutes: 30
 
diff --git a/README.md b/README.md
index 8a149b2..2e36e97 100644
--- a/README.md
+++ b/README.md
@@ -78,8 +78,14 @@ Details can be found in the PowerShell Maintainers teams channel's Wiki tab.
            signOutputPath: $(signOutPath)
            # the certificate ID to use
            certificateId: "CP-230012"
-           # the file pattern to use, comma separated
+           # The file pattern to use
+           # If not using minimatch: comma separated, with * supported
+           # If using minimatch: newline separated, with !, **, and * supported.
+           # See link in the useMinimatch comments.
            pattern: '*.dll,*.psd1,*.psm1,*.ps1xml,*.mof'
+           # decides if the task should use minimatch for the pattern matching.
+           # https://github.com/isaacs/minimatch#features
+           useMinimatch: false
     ```