diff --git a/.github/release-trigger.yml b/.github/release-trigger.yml
new file mode 100644
index 000000000..ed17d0705
--- /dev/null
+++ b/.github/release-trigger.yml
@@ -0,0 +1,2 @@
+enabled: true
+multiScmName: google-api-php-client
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79305bb5a..b6d29393c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.15.1](https://github.com/googleapis/google-api-php-client/compare/v2.15.0...v2.15.1) (2023-09-12)
+
+
+### Bug Fixes
+
+* Upgrade min phpseclib version ([#2499](https://github.com/googleapis/google-api-php-client/issues/2499)) ([8e7fae2](https://github.com/googleapis/google-api-php-client/commit/8e7fae2b79cfc1b72026347abf6314d91442a018))
+
 ## [2.15.0](https://github.com/googleapis/google-api-php-client/compare/v2.14.0...v2.15.0) (2023-05-18)
 
 
diff --git a/README.md b/README.md
index 1beb6c88d..b82f44f14 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ composer installed.
 Once composer is installed, execute the following command in your project root to install this library:
 
 ```sh
-composer require google/apiclient:^2.12.1
+composer require google/apiclient:^2.15.0
 ```
 
 Finally, be sure to include the autoloader:
@@ -65,7 +65,7 @@ you want to keep in `composer.json`:
 ```json
 {
     "require": {
-        "google/apiclient": "^2.12.1"
+        "google/apiclient": "^2.15.0"
     },
     "scripts": {
         "pre-autoload-dump": "Google\\Task\\Composer::cleanup"
@@ -245,9 +245,10 @@ The classes used to call the API in [google-api-php-client-services](https://git
 
 A JSON request to the [Datastore API](https://developers.google.com/apis-explorer/#p/datastore/v1beta3/datastore.projects.runQuery) would look like this:
 
-```json
+```
 POST https://datastore.googleapis.com/v1beta3/projects/YOUR_PROJECT_ID:runQuery?key=YOUR_API_KEY
-
+```
+```json
 {
     "query": {
         "kind": [{
diff --git a/composer.json b/composer.json
index e557bb465..d483f34ea 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
         "google/apiclient-services": "~0.200",
         "firebase/php-jwt": "~6.0",
         "monolog/monolog": "^2.9||^3.0",
-        "phpseclib/phpseclib": "^3.0.2",
+        "phpseclib/phpseclib": "^3.0.19",
         "guzzlehttp/guzzle": "~6.5||~7.0",
         "guzzlehttp/psr7": "^1.8.4||^2.2.1"
     },