diff --git a/.github/workflows/update-version.yml b/.github/workflows/update-version.yml
index a360fe3e..85202d7c 100644
--- a/.github/workflows/update-version.yml
+++ b/.github/workflows/update-version.yml
@@ -32,6 +32,13 @@ jobs:
         VERSION=${{ github.event.inputs.version }}
         jq --arg version "$VERSION" '.version = $version' "./src/Packages/Passport/package.json" > tmp.$$.json && mv tmp.$$.json "./src/Packages/Passport/package.json"
 
+    - name: Replace engine sdk version string
+      id: replace_engine_sdk_version
+      run: |
+        FILE=./src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs
+        VERSION=${{ github.event.inputs.version }}
+        sed -i "s/__ENGINE_SDK_VERSION__/$VERSION/g" $FILE
+
     - uses: gr2m/create-or-update-pull-request-action@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs b/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs
new file mode 100644
index 00000000..baf53d3c
--- /dev/null
+++ b/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs
@@ -0,0 +1,10 @@
+namespace Immutable.Passport.Helpers
+{
+    public class SdkVersionInfoHelpers
+    {
+        public static string GetSdkVersionInfo()
+        {
+            return "__ENGINE_SDK_VERSION__";
+        }
+    }
+}
diff --git a/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs.meta b/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs.meta
new file mode 100644
index 00000000..b756b82d
--- /dev/null
+++ b/src/Packages/Passport/Runtime/Scripts/Private/Helpers/SdkVersionInfoHelpers.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cf750b4fcec324f1ab04ca82bdc4e921
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/src/Packages/Passport/Runtime/Scripts/Private/Model/Request/VersionInfo.cs b/src/Packages/Passport/Runtime/Scripts/Private/Model/Request/VersionInfo.cs
index de8c8594..b743e607 100644
--- a/src/Packages/Passport/Runtime/Scripts/Private/Model/Request/VersionInfo.cs
+++ b/src/Packages/Passport/Runtime/Scripts/Private/Model/Request/VersionInfo.cs
@@ -7,6 +7,7 @@ public class VersionInfo
     {
         public string engine;
         public string engineVersion;
+        public string engineSdkVersion;
         public string platform;
         public string platformVersion;
         public string deviceModel;
diff --git a/src/Packages/Passport/Runtime/Scripts/Private/PassportImpl.cs b/src/Packages/Passport/Runtime/Scripts/Private/PassportImpl.cs
index 72c49922..1029d64d 100644
--- a/src/Packages/Passport/Runtime/Scripts/Private/PassportImpl.cs
+++ b/src/Packages/Passport/Runtime/Scripts/Private/PassportImpl.cs
@@ -60,6 +60,7 @@ public async UniTask Init(string clientId, string environment, string redirectUr
             {
                 engine = "unity",
                 engineVersion = Application.unityVersion,
+                engineSdkVersion = SdkVersionInfoHelpers.GetSdkVersionInfo(),
                 platform = Application.platform.ToString(),
                 platformVersion = SystemInfo.operatingSystem,
                 deviceModel = SystemInfo.deviceModel