diff --git a/AutoUpdater.NET/Properties/AssemblyInfo.cs b/AutoUpdater.NET/Properties/AssemblyInfo.cs
index 8a80b529..46a82466 100644
--- a/AutoUpdater.NET/Properties/AssemblyInfo.cs
+++ b/AutoUpdater.NET/Properties/AssemblyInfo.cs
@@ -32,6 +32,6 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.5.4.0")]
-[assembly: AssemblyFileVersion("1.5.4.0")]
+[assembly: AssemblyVersion("1.5.5.0")]
+[assembly: AssemblyFileVersion("1.5.5.0")]
 [assembly: NeutralResourcesLanguageAttribute("en")]
diff --git a/AutoUpdater.NET/build/Autoupdater.NET.Official.nuspec b/AutoUpdater.NET/build/Autoupdater.NET.Official.nuspec
index 93ab8eda..12786b61 100644
--- a/AutoUpdater.NET/build/Autoupdater.NET.Official.nuspec
+++ b/AutoUpdater.NET/build/Autoupdater.NET.Official.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>Autoupdater.NET.Official</id>
-        <version>1.5.4</version>
+        <version>1.5.5</version>
         <title>AutoUpdater.NET</title>
         <authors>RBSoft</authors>
         <owners>RBSoft</owners>
diff --git a/appveyor.yml b/appveyor.yml
index 2137f4f5..0b0e4cca 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
-version: 1.5.4.{build}
+version: 1.5.5.{build}
 environment:
-  my_version: 1.5.4
+  my_version: 1.5.5
   my_secret:
     secure: vbPRaZLQYpGPr4BrZZ4p6TofpSZMud+FKtlpqjgO8aA=
 skip_branch_with_pr: true