diff --git a/.github/actions/spelling/expect/expect.txt b/.github/actions/spelling/expect/expect.txt
index 4356e36eae..f80ab40840 100644
--- a/.github/actions/spelling/expect/expect.txt
+++ b/.github/actions/spelling/expect/expect.txt
@@ -1679,6 +1679,7 @@ SMARTQUOTE
 SMTO
 snapcx
 snapcy
+snk
 SOLIDBOX
 Solutiondir
 somefile
diff --git a/build/config/272MSSharedLibSN2048.snk b/build/config/272MSSharedLibSN2048.snk
new file mode 100644
index 0000000000..bd766f84a2
Binary files /dev/null and b/build/config/272MSSharedLibSN2048.snk differ
diff --git a/build/config/esrp.build.batch.wpfdotnet.json b/build/config/esrp.build.batch.wpfdotnet.json
index 0699353f64..316aa70116 100644
--- a/build/config/esrp.build.batch.wpfdotnet.json
+++ b/build/config/esrp.build.batch.wpfdotnet.json
@@ -6,6 +6,20 @@
         ],
         "SigningInfo": {
             "Operations": [
+                {
+                    "KeyCode": "CP-233904-SN",
+                    "OperationSetCode": "StrongNameSign",
+                    "ToolName": "sign",
+                    "ToolVersion": "1.0",
+                    "Parameters": []
+                },
+                {
+                    "KeyCode": "CP-233904-SN",
+                    "OperationSetCode": "StrongNameVerify",
+                    "ToolName": "sign",
+                    "ToolVersion": "1.0",
+                    "Parameters": []
+                },
                 {
                     "KeyCode": "CP-230012",
                     "OperationSetCode": "SigntoolSign",
diff --git a/src/cascadia/WpfTerminalControl/WpfTerminalControl.csproj b/src/cascadia/WpfTerminalControl/WpfTerminalControl.csproj
index 6581f1478b..8a299b5c05 100644
--- a/src/cascadia/WpfTerminalControl/WpfTerminalControl.csproj
+++ b/src/cascadia/WpfTerminalControl/WpfTerminalControl.csproj
@@ -15,6 +15,12 @@
     <Version>0.1</Version>
   </PropertyGroup>
   
+  <PropertyGroup Condition="'$(WindowsTerminalOfficialBuild)'=='true'">
+    <SignAssembly>true</SignAssembly>
+    <DelaySign>true</DelaySign>
+    <AssemblyOriginatorKeyFile>..\..\..\build\config\272MSSharedLibSN2048.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+
   <ItemGroup>
     <AdditionalFiles Include="$(MSBuildThisFileDirectory)stylecop.json">
       <Visible>true</Visible>