diff --git a/PomoTime/Package.appxmanifest b/PomoTime/Package.appxmanifest
index 93a86c5..395bc50 100644
--- a/PomoTime/Package.appxmanifest
+++ b/PomoTime/Package.appxmanifest
@@ -9,7 +9,7 @@
   <Identity
     Name="44844StepanUsatyuk.PomoTime"
     Publisher="CN=D7EE55C2-4D4B-40F8-8EE5-CC4CEBCE2133"
-    Version="1.0.19.0" />
+    Version="1.0.20.0" />
 
   <mp:PhoneIdentity PhoneProductId="e52de974-37e6-4bd5-a60a-a9cc6f77350c" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 
diff --git a/PomoTime/PomoTime.csproj b/PomoTime/PomoTime.csproj
index cd8992b..33c04cc 100644
--- a/PomoTime/PomoTime.csproj
+++ b/PomoTime/PomoTime.csproj
@@ -18,7 +18,8 @@
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WindowsXamlEnableOverview>true</WindowsXamlEnableOverview>
     <AppxPackageSigningEnabled>True</AppxPackageSigningEnabled>
-    <PackageCertificateThumbprint>F2C0DC457680C9394E4A8679EA3575396472F8D2</PackageCertificateThumbprint>
+    <PackageCertificateThumbprint>
+    </PackageCertificateThumbprint>
     <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
     <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
     <AppxAutoIncrementPackageRevision>True</AppxAutoIncrementPackageRevision>