diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 1d166c4d1083..475f2d2bf22d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -6,7 +6,7 @@
   "core/generator/gapic-generator-typescript": "4.13.0",
   "core/packages/gapic-node-processing": "0.1.9",
   "core/packages/gax": "5.0.7",
-  "core/packages/gaxios": "7.2.0",
+  "core/packages/gaxios": "7.3.0",
   "core/packages/gcp-metadata": "8.1.3",
   "core/packages/google-auth-library-nodejs": "10.9.0",
   "core/packages/logging-utils": "1.1.4",
diff --git a/changelog.json b/changelog.json
index 51d5948caea9..1c03f2cb2d86 100644
--- a/changelog.json
+++ b/changelog.json
@@ -82833,5 +82833,5 @@
       "createTime": "2023-01-28T04:18:24.718Z"
     }
   ],
-  "updateTime": "2026-07-23T06:10:36.364Z"
+  "updateTime": "2026-07-23T06:10:36.473Z"
 }
diff --git a/core/packages/gaxios/CHANGELOG.md b/core/packages/gaxios/CHANGELOG.md
index 371b111d2f4f..3dd961cc3aa7 100644
--- a/core/packages/gaxios/CHANGELOG.md
+++ b/core/packages/gaxios/CHANGELOG.md
@@ -1,6 +1,13 @@
 # Changelog
 
 
+## [7.3.0](https://github.com/googleapis/google-cloud-node/compare/gaxios-v7.2.0...gaxios-v7.3.0) (2026-07-23)
+
+
+### Features
+
+* Update API sources and regenerate ([#8914](https://github.com/googleapis/google-cloud-node/issues/8914)) ([e9d308b](https://github.com/googleapis/google-cloud-node/commit/e9d308b814c3d6d97bb39873a398ba0aea807718))
+
 ## [7.2.0](https://github.com/googleapis/google-cloud-node/compare/gaxios-v7.1.6...gaxios-v7.2.0) (2026-07-07)
 
 
diff --git a/core/packages/gaxios/package.json b/core/packages/gaxios/package.json
index 673a78590d57..12927571d603 100644
--- a/core/packages/gaxios/package.json
+++ b/core/packages/gaxios/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gaxios",
-  "version": "7.2.0",
+  "version": "7.3.0",
   "description": "A simple common HTTP client specifically for Google APIs and services.",
   "main": "build/cjs/src/index.js",
   "types": "build/cjs/src/index.d.ts",
diff --git a/core/packages/gaxios/samples/package.json b/core/packages/gaxios/samples/package.json
index 989a6f3d2522..997891b68095 100644
--- a/core/packages/gaxios/samples/package.json
+++ b/core/packages/gaxios/samples/package.json
@@ -9,7 +9,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "gaxios": "^7.2.0"
+    "gaxios": "^7.3.0"
   },
   "devDependencies": {
     "mocha": "^8.0.0"