diff --git a/dist/index.js b/dist/index.js
index 027903a..d33cc84 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1471,7 +1471,7 @@ class HttpClient {
         this._maxRetries = 1;
         this._keepAlive = false;
         this._disposed = false;
-        this.userAgent = userAgent;
+        this.userAgent = this._getUserAgentWithOrchestrationId(userAgent);
         this.handlers = handlers || [];
         this.requestOptions = requestOptions;
         if (requestOptions) {
@@ -1951,6 +1951,17 @@ class HttpClient {
         }
         return proxyAgent;
     }
+    _getUserAgentWithOrchestrationId(userAgent) {
+        const baseUserAgent = userAgent || 'actions/http-client';
+        const orchId = process.env['ACTIONS_ORCHESTRATION_ID'];
+        if (orchId) {
+            // Sanitize the orchestration ID to ensure it contains only valid characters
+            // Valid characters: 0-9, a-z, _, -, .
+            const sanitizedId = orchId.replace(/[^a-z0-9_.-]/gi, '_');
+            return `${baseUserAgent} actions_orchestration_id/${sanitizedId}`;
+        }
+        return baseUserAgent;
+    }
     _performExponentialBackoff(retryNumber) {
         return __awaiter(this, void 0, void 0, function* () {
             retryNumber = Math.min(ExponentialBackoffCeiling, retryNumber);
diff --git a/package-lock.json b/package-lock.json
index b426cb6..5bae379 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "2.0.0",
       "license": "MIT",
       "dependencies": {
-        "@actions/core": "^2.0.1"
+        "@actions/core": "^2.0.2"
       },
       "devDependencies": {
         "@actions/attest": "^2.1.0",
@@ -76,19 +76,19 @@
       "license": "MIT"
     },
     "node_modules/@actions/core": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-2.0.1.tgz",
-      "integrity": "sha512-oBfqT3GwkvLlo1fjvhQLQxuwZCGTarTE5OuZ2Wg10hvhBj7LRIlF611WT4aZS6fDhO5ZKlY7lCAZTlpmyaHaeg==",
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-2.0.2.tgz",
+      "integrity": "sha512-Ast1V7yHbGAhplAsuVlnb/5J8Mtr/Zl6byPPL+Qjq3lmfIgWF1ak1iYfF/079cRERiuTALTXkSuEUdZeDCfGtA==",
       "license": "MIT",
       "dependencies": {
         "@actions/exec": "^2.0.0",
-        "@actions/http-client": "^3.0.0"
+        "@actions/http-client": "^3.0.1"
       }
     },
     "node_modules/@actions/core/node_modules/@actions/http-client": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-3.0.0.tgz",
-      "integrity": "sha512-1s3tXAfVMSz9a4ZEBkXXRQD4QhY3+GAsWSbaYpeknPOKEeyRiU3lH+bHiLMZdo2x/fIeQ/hscL1wCkDLVM2DZQ==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-3.0.1.tgz",
+      "integrity": "sha512-SbGS8c/vySbNO3kjFgSW77n83C4MQx/Yoe+b1hAdpuvfHxnkHzDq2pWljUpAA56Si1Gae/7zjeZsV0CYjmLo/w==",
       "license": "MIT",
       "dependencies": {
         "tunnel": "^0.0.6",
@@ -176,7 +176,6 @@
       "integrity": "sha512-bXYxrXFubeYdvB0NhD/NBB3Qi6aZeV20GOWVI47t2dkecCEoneR4NPVcb7abpXDEvejgrUfFtG6vG/zxAKmg+g==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.27.1",
@@ -1574,7 +1573,6 @@
       "resolved": "https://registry.npmjs.org/@octokit/core/-/core-5.1.0.tgz",
       "integrity": "sha512-BDa2VAMLSh3otEiaMJ/3Y36GU4qf6GI+VivQ/P41NC6GHcdxpKlqV0ikSZ5gdQsmS3ojXeRx5vasgNTinF0Q4g==",
       "dev": true,
-      "peer": true,
       "dependencies": {
         "@octokit/auth-token": "^4.0.0",
         "@octokit/graphql": "^7.0.0",
@@ -2269,7 +2267,6 @@
       "integrity": "sha512-XtssGWJvypyM2ytBnSnKtHYOGT+4ZwTnBVl36TA4nRO2f4PRNGz5/1OszHzcZCvcBMh+qb7I06uoCmLTRdR9og==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
         "@typescript-eslint/scope-manager": "8.51.0",
@@ -2309,7 +2306,6 @@
       "integrity": "sha512-3xP4XzzDNQOIqBMWogftkwxhg5oMKApqY0BAflmLZiFYHqyhSOxv/cd/zPQLTcCXr4AkaKb25joocY0BD1WC6A==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.51.0",
         "@typescript-eslint/types": "8.51.0",
@@ -2813,7 +2809,6 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3222,7 +3217,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001718",
         "electron-to-chromium": "^1.5.160",
@@ -3996,7 +3990,6 @@
       "integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -5615,7 +5608,6 @@
       "integrity": "sha512-F26gjC0yWN8uAA5m5Ss8ZQf5nDHWGlN/xWZIh8S5SRbsEKBovwZhxGd6LJlbZYxBgCYOtreSUyb8hpXyGC5O4A==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@jest/core": "30.2.0",
         "@jest/types": "30.2.0",
@@ -8695,7 +8687,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -8956,7 +8947,6 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index acf3122..43e5d34 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     ]
   },
   "dependencies": {
-    "@actions/core": "^2.0.1"
+    "@actions/core": "^2.0.2"
   },
   "devDependencies": {
     "@actions/attest": "^2.1.0",