diff --git a/src/DotNetWorker.Grpc/Definition/GrpcFunctionDefinition.cs b/src/DotNetWorker.Grpc/Definition/GrpcFunctionDefinition.cs
index 08ba2d952..2b9d2335e 100644
--- a/src/DotNetWorker.Grpc/Definition/GrpcFunctionDefinition.cs
+++ b/src/DotNetWorker.Grpc/Definition/GrpcFunctionDefinition.cs
@@ -21,10 +21,10 @@ public GrpcFunctionDefinition(FunctionLoadRequest loadRequest, IMethodInfoLocato
             Name = loadRequest.Metadata.Name;
             Id = loadRequest.FunctionId;
 
-            string? scriptRoot = Environment.GetEnvironmentVariable("AzureWebJobsScriptRoot");
+            string? scriptRoot = Environment.GetEnvironmentVariable("FUNCTIONS_WORKER_DIRECTORY");
             if (string.IsNullOrWhiteSpace(scriptRoot))
             {
-                throw new InvalidOperationException("The 'AzureWebJobsScriptRoot' environment variable value is not defined. This is a required environment variable that is automatically set by the Azure Functions runtime.");
+                throw new InvalidOperationException("The 'FUNCTIONS_WORKER_DIRECTORY' environment variable value is not defined. This is a required environment variable that is automatically set by the Azure Functions runtime.");
             }
 
             if (string.IsNullOrWhiteSpace(loadRequest.Metadata.ScriptFile))
diff --git a/src/DotNetWorker.Grpc/DotNetWorker.Grpc.csproj b/src/DotNetWorker.Grpc/DotNetWorker.Grpc.csproj
index 680672fd5..4028ebcc6 100644
--- a/src/DotNetWorker.Grpc/DotNetWorker.Grpc.csproj
+++ b/src/DotNetWorker.Grpc/DotNetWorker.Grpc.csproj
@@ -9,6 +9,7 @@
     <RootNamespace>Microsoft.Azure.Functions.Worker.Grpc</RootNamespace>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <MinorProductVersion>8</MinorProductVersion>
+    <PatchProductVersion>1</PatchProductVersion>
     <VersionSuffix>-preview1</VersionSuffix>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
diff --git a/src/DotNetWorker/DotNetWorker.csproj b/src/DotNetWorker/DotNetWorker.csproj
index 565330412..7cf0f471c 100644
--- a/src/DotNetWorker/DotNetWorker.csproj
+++ b/src/DotNetWorker/DotNetWorker.csproj
@@ -9,6 +9,7 @@
     <RootNamespace>Microsoft.Azure.Functions.Worker</RootNamespace>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <MinorProductVersion>12</MinorProductVersion>
+    <PatchProductVersion>1</PatchProductVersion>
     <VersionSuffix>-preview1</VersionSuffix>
   </PropertyGroup>
 
diff --git a/test/DotNetWorkerTests/GrpcFunctionDefinitionTests.cs b/test/DotNetWorkerTests/GrpcFunctionDefinitionTests.cs
index 009dd9800..2edffc281 100644
--- a/test/DotNetWorkerTests/GrpcFunctionDefinitionTests.cs
+++ b/test/DotNetWorkerTests/GrpcFunctionDefinitionTests.cs
@@ -19,7 +19,7 @@ public class GrpcFunctionDefinitionTests
         [Fact]
         public void Creates()
         {
-            using var testVariables = new TestScopedEnvironmentVariable("AzureWebJobsScriptRoot", ".");
+            using var testVariables = new TestScopedEnvironmentVariable("FUNCTIONS_WORKER_DIRECTORY", ".");
 
             var bindingInfoProvider = new DefaultOutputBindingsInfoProvider();
             var methodInfoLocator = new DefaultMethodInfoLocator();
diff --git a/test/DotNetWorkerTests/GrpcWorkerTests.cs b/test/DotNetWorkerTests/GrpcWorkerTests.cs
index f71483836..ad763dcaf 100644
--- a/test/DotNetWorkerTests/GrpcWorkerTests.cs
+++ b/test/DotNetWorkerTests/GrpcWorkerTests.cs
@@ -73,7 +73,7 @@ public GrpcWorkerTests()
         [Fact]
         public void LoadFunction_ReturnsSuccess()
         {
-            using var testVariables = new TestScopedEnvironmentVariable("AzureWebJobsScriptRoot", "test");
+            using var testVariables = new TestScopedEnvironmentVariable("FUNCTIONS_WORKER_DIRECTORY", "test");
 
             FunctionLoadRequest request = CreateFunctionLoadRequest();
 
@@ -97,7 +97,7 @@ public void LoadFunction_WithProxyMetadata_ReturnsSuccess()
         [Fact]
         public void LoadFunction_Throws_ReturnsFailure()
         {
-            using var testVariables = new TestScopedEnvironmentVariable("AzureWebJobsScriptRoot", "test");
+            using var testVariables = new TestScopedEnvironmentVariable("FUNCTIONS_WORKER_DIRECTORY", "test");
 
             _mockApplication
                 .Setup(m => m.LoadFunction(It.IsAny<FunctionDefinition>()))
@@ -115,7 +115,7 @@ public void LoadFunction_Throws_ReturnsFailure()
         [Fact]
         public void MethodInfoLocator_Throws_ReturnsFailure()
         {
-            using var testVariables = new TestScopedEnvironmentVariable("AzureWebJobsScriptRoot", "test");
+            using var testVariables = new TestScopedEnvironmentVariable("FUNCTIONS_WORKER_DIRECTORY", "test");
 
             _mockMethodInfoLocator
                 .Setup(m => m.GetMethod(It.IsAny<string>(), It.IsAny<string>()))