diff --git a/eng/build/Templates.targets b/eng/build/Templates.targets
index 51b868ba2..de8cc8ca3 100644
--- a/eng/build/Templates.targets
+++ b/eng/build/Templates.targets
@@ -1,7 +1,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
   <PropertyGroup>
-    <TemplatesVersion>4.0.5212</TemplatesVersion>
+    <TemplatesVersion>4.0.5331</TemplatesVersion>
     <TemplatesJsonVersion>3.1.1648</TemplatesJsonVersion>
   </PropertyGroup>
 
diff --git a/eng/scripts/download-templates.ps1 b/eng/scripts/download-templates.ps1
index 86bb96a5a..71b9cf14b 100644
--- a/eng/scripts/download-templates.ps1
+++ b/eng/scripts/download-templates.ps1
@@ -1,5 +1,5 @@
 # Run: ./download-templates.ps1 || From root of the repo: ./eng/scripts/download-templates.ps1
-# Optional parameters: -OutputPath "./desired/output/path" -TemplatesVersion "4.0.5212" -TemplateJsonVersion "3.1.1648"
+# Optional parameters: -OutputPath "./desired/output/path" -TemplatesVersion "4.0.5331" -TemplateJsonVersion "3.1.1648"
 
 # You can check NuGet for the latest template versions:
 # https://www.nuget.org/packages/Microsoft.Azure.Functions.Worker.ItemTemplates/
@@ -12,7 +12,7 @@
 # Parse CLI arguments
 param (
   [string]$OutputPath = "./templates-download",
-  [string]$TemplatesVersion = "4.0.5212",
+  [string]$TemplatesVersion = "4.0.5331",
   [string]$TemplateJsonVersion = "3.1.1648"
 )
 
diff --git a/release_notes.md b/release_notes.md
index 81970a3c8..45dd435ce 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -10,3 +10,4 @@
 - Add updated Durable .NET templates (#4692)
 - Adding the MCP Tool Trigger Templates for the Node/Typescript (#4651)
 - Set `AzureWebJobsStorage` to use the storage emulator by default on all platforms (#4685)
+- Update .NET isolated templates package to 4.0.5331 (#4712)
diff --git a/src/Cli/func/StaticResources/Dockerfile.dotnet10Isolated b/src/Cli/func/StaticResources/Dockerfile.dotnet10Isolated
index 213af06dd..4d5745a34 100644
--- a/src/Cli/func/StaticResources/Dockerfile.dotnet10Isolated
+++ b/src/Cli/func/StaticResources/Dockerfile.dotnet10Isolated
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:10.0-preview AS installer-env
+FROM mcr.microsoft.com/dotnet/sdk:10.0 AS installer-env
 
 COPY . /src/dotnet-function-app
 RUN cd /src/dotnet-function-app && \
diff --git a/src/Cli/func/StaticResources/Dockerfile.dotnet9Isolated b/src/Cli/func/StaticResources/Dockerfile.dotnet9Isolated
index 65f31db56..f77a5d187 100644
--- a/src/Cli/func/StaticResources/Dockerfile.dotnet9Isolated
+++ b/src/Cli/func/StaticResources/Dockerfile.dotnet9Isolated
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:9.0-preview AS installer-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS installer-env
 
 COPY . /src/dotnet-function-app
 RUN cd /src/dotnet-function-app && \