diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 556b2abe55d..2b52a66f119 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -154,6 +154,7 @@ jobs:
         }
         if ($invalidPackages -gt 0) {
           Write-Output "::error::$invalidPackages NuGet package(s) failed validation."
+          exit 1
         }
 
   sign:
@@ -243,6 +244,7 @@ jobs:
         }
         if ($invalidPackages -gt 0) {
           Write-Output "::error::$invalidPackages NuGet package(s) failed validation."
+          exit 1
         }
 
     - name: Checkout vcsjones/AuthenticodeLint
diff --git a/Directory.Build.props b/Directory.Build.props
index c3398254fd3..8fa466d35af 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -2,4 +2,8 @@
   <PropertyGroup>
     <UseArtifactsOutput>true</UseArtifactsOutput>
   </PropertyGroup>
+  <PropertyGroup Condition=" '$(CI)' == 'true' ">
+    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
 </Project>
diff --git a/build.cake b/build.cake
index de523dcc8c7..be3ee387eb0 100644
--- a/build.cake
+++ b/build.cake
@@ -114,9 +114,6 @@ Task("__BuildSolutions")
             },
         };
 
-        dotNetBuildSettings.MSBuildSettings.Properties["ContinuousIntegrationBuild"] = [Environment.GetEnvironmentVariable("CI") ?? "false"];
-        dotNetBuildSettings.MSBuildSettings.Properties["Deterministic"] = ["true"];
-
         DotNetBuild(solution.ToString(), dotNetBuildSettings);
     }
 });