diff --git a/SampleApps/webview2_sample_uwp/WebView2_UWP_TemporaryKey.pfx b/SampleApps/webview2_sample_uwp/WebView2_UWP_TemporaryKey.pfx
index 733735d2..2161f65b 100644
Binary files a/SampleApps/webview2_sample_uwp/WebView2_UWP_TemporaryKey.pfx and b/SampleApps/webview2_sample_uwp/WebView2_UWP_TemporaryKey.pfx differ
diff --git a/SampleApps/webview2_sample_uwp/webview2_sample_uwp.csproj b/SampleApps/webview2_sample_uwp/webview2_sample_uwp.csproj
index c82fcdb2..d69d04da 100644
--- a/SampleApps/webview2_sample_uwp/webview2_sample_uwp.csproj
+++ b/SampleApps/webview2_sample_uwp/webview2_sample_uwp.csproj
@@ -18,7 +18,7 @@
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WindowsXamlEnableOverview>true</WindowsXamlEnableOverview>
     <AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
-    <PackageCertificateThumbprint>114a371f3b78be699bb00aab73dbe98b5ec0ecd4</PackageCertificateThumbprint>
+    <PackageCertificateThumbprint>883cdc84424381df3f1f10fd0bb8f7eeb00b042d</PackageCertificateThumbprint>
     <PackageCertificateKeyFile>WebView2_UWP_TemporaryKey.pfx</PackageCertificateKeyFile>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">