diff --git a/Directory.Build.targets b/Directory.Build.targets
new file mode 100644
index 000000000..a0ba32f4d
--- /dev/null
+++ b/Directory.Build.targets
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <GenerateNuspecDependsOn>$(GenerateNuspecDependsOn);TimestampNugetPackage</GenerateNuspecDependsOn>
+
+    <!-- Enable package timestamping by default -->
+    <TimestampPackage Condition=" '$(TimestampPackage)' == ''">true</TimestampPackage>
+  </PropertyGroup>
+
+  <Target Name="TimestampNugetPackage">
+    <PropertyGroup>
+      <CurrentDate>$([System.DateTime]::Now.ToString(yyyyMMdd-HHmm))</CurrentDate>
+      <PackageVersion Condition="'$(TimestampPackage)' == 'true'">$(PackageVersion)-preview.$(CurrentDate)</PackageVersion>
+      <NuspecProperties>version=$(PackageVersion)</NuspecProperties>
+    </PropertyGroup>
+  </Target>
+</Project>
diff --git a/version.json b/version.json
index 1ad0053f8..13b4e49b6 100644
--- a/version.json
+++ b/version.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://raw.githubusercontent.com/dotnet/Nerdbank.GitVersioning/main/src/NerdBank.GitVersioning/version.schema.json",
-  "version": "1.0.0",
+  "version": "1.0",
   "publicReleaseRefSpec": [
     "^refs/heads/main$",
     "^refs/heads/v\\d+(?:\\.\\d+)?$"