diff --git a/build.cake b/build.cake
index 74738d363a..5183d166d3 100644
--- a/build.cake
+++ b/build.cake
@@ -4,7 +4,7 @@
 // Install .NET Core Global tools.
 #tool "dotnet:https://api.nuget.org/v3/index.json?package=GitVersion.Tool&version=5.12.0"
 #tool "dotnet:https://api.nuget.org/v3/index.json?package=GitReleaseManager.Tool&version=0.15.0"
-#tool "dotnet:https://api.nuget.org/v3/index.json?package=sign&version=0.9.1-beta.23274.1&prerelease"
+#tool "dotnet:https://api.nuget.org/v3/index.json?package=sign&version=0.9.1-beta.23530.1&prerelease"
 
 // Load other scripts.
 #load "./build/parameters.cake"