diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 3918b90..37e4bf9 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -27,7 +27,5 @@ jobs:
           NugetApiUrl: ${{ secrets.NUGET_API_URL }}
           NugetApiKey: ${{ secrets.NUGET_API_KEY }}
 
-          # SignFile: ${{ secrets.SIGN_FILE }}
-          # SignPassword: ${{ secrets.SIGN_PASSWORD }}
-          SignFile: ${{ secrets.SIGN_FILE_AZURE }}
-          SignPassword: ${{ secrets.SIGN_PASSWORD_AZURE }}
\ No newline at end of file
+          SignFile: ${{ secrets.SIGN_FILE }}
+          SignPassword: ${{ secrets.SIGN_PASSWORD }}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 258cd60..5e1c8e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [1.9.1] / 2025-01-03
+### Updated
+- Force to uninstall local `Tools` to remove cache when `.exe` is not found. (Fix: #79)
+
 ## [1.9.0] / 2024-12-06 - 2024-12-19
 ### Features
 - Enable sign files using `Azure Key Vault`.
@@ -389,6 +393,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - First Release
 
 [vNext]: ../../compare/1.0.0...HEAD
+[1.9.1]: ../../compare/1.9.0...1.9.1
 [1.9.0]: ../../compare/1.8.2...1.9.0
 [1.8.2]: ../../compare/1.8.1...1.8.2
 [1.8.1]: ../../compare/1.8.0...1.8.1
diff --git a/Directory.Build.props b/Directory.Build.props
index 3af54d3..dbbf2ae 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,5 +1,5 @@
 <Project>
 	<PropertyGroup>
-		<Version>1.9.0</Version>
+		<Version>1.9.1</Version>
 	</PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/ricaun.Nuke/Extensions/NuGetExtension.cs b/ricaun.Nuke/Extensions/NuGetExtension.cs
index 3d40d82..2f297da 100644
--- a/ricaun.Nuke/Extensions/NuGetExtension.cs
+++ b/ricaun.Nuke/Extensions/NuGetExtension.cs
@@ -169,6 +169,7 @@ public static bool NugetSign(string packageFileName, string certPath, string cer
         {
             try
             {
+                Serilog.Log.Information($"NuGet sign: {packageFileName}");
                 NuGetTasks.NuGet(
                     $"sign \"{packageFileName}\"" +
                     $" -CertificatePath {certPath}" +
diff --git a/ricaun.Nuke/Tools/AzureSignToolUtils.cs b/ricaun.Nuke/Tools/AzureSignToolUtils.cs
index eeb8eb8..2f2e807 100644
--- a/ricaun.Nuke/Tools/AzureSignToolUtils.cs
+++ b/ricaun.Nuke/Tools/AzureSignToolUtils.cs
@@ -63,6 +63,18 @@ private static string PackageDownload(string packageId)
                 return packageToolExeExists;
             }
 
+            try
+            {
+                // Force to uninstall to remove cache files if exists.
+                DotNetTasks.DotNetToolUninstall(x => x
+                    .SetPackageName(packageId)
+                    .SetToolInstallationPath(toolFolder)
+                    .DisableProcessLogInvocation()
+                    .DisableProcessLogOutput()
+            );
+            }
+            catch { }
+
             DotNetTasks.DotNetToolInstall(x => x
                 .SetPackageName(packageId)
                 .SetToolInstallationPath(toolFolder)