diff --git a/src/main.ts b/src/main.ts
index 752c79395..05400460c 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -8,6 +8,7 @@ import { DEPLOYMENT_PROVIDER_TYPES } from "./DeploymentProvider/Providers/BaseWe
 import { DeploymentProviderFactory } from './DeploymentProvider/DeploymentProviderFactory';
 import { IAuthorizer } from 'azure-actions-webclient/Authorizer/IAuthorizer';
 import { ValidatorFactory } from './ActionInputValidator/ValidatorFactory';
+import { VERSION } from './version';
 
 var prefix = !!process.env.AZURE_HTTP_USER_AGENT ? `${process.env.AZURE_HTTP_USER_AGENT}` : "";
 
@@ -18,7 +19,7 @@ export async function main() {
     // Set user agent variable
     let usrAgentRepo = crypto.createHash('sha256').update(`${process.env.GITHUB_REPOSITORY}`).digest('hex');
     let actionName = 'DeployWebAppToAzure';
-    let userAgentString = (!!prefix ? `${prefix}+` : '') + `GITHUBACTIONS_${actionName}_${usrAgentRepo}`;
+    let userAgentString = (!!prefix ? `${prefix}+` : '') + `GITHUBACTIONS_${actionName}_${usrAgentRepo}_${VERSION}`;
     core.exportVariable('AZURE_HTTP_USER_AGENT', userAgentString);
 
     // Initialize action inputs
diff --git a/src/version.ts b/src/version.ts
new file mode 100644
index 000000000..4a7906d32
--- /dev/null
+++ b/src/version.ts
@@ -0,0 +1,2 @@
+// Update this file before release.
+export const VERSION = 'dev';