diff --git a/composer.json b/composer.json
index 5690c5b6..a5f06f29 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,6 @@
         "ext-zip": "*",
         "drupal/search_api_solr": "^4.3",
         "guzzlehttp/guzzle": "^7.5",
-        "guzzlehttp/psr7": "^2.7",
         "kint-php/kint": "^5|^6",
         "php-http/guzzle7-adapter": "^1.1",
         "psr/event-dispatcher": "^1.0",
diff --git a/src/Plugin/SolrConnector/PantheonSolrConnector.php b/src/Plugin/SolrConnector/PantheonSolrConnector.php
index 591c81ba..fed1b22d 100644
--- a/src/Plugin/SolrConnector/PantheonSolrConnector.php
+++ b/src/Plugin/SolrConnector/PantheonSolrConnector.php
@@ -122,7 +122,7 @@ public static function getPlatformConfig() {
     return [
       'scheme' => getenv('PANTHEON_INDEX_SCHEME'),
       'host' => getenv('PANTHEON_INDEX_HOST'),
-      'port' => getenv('PANTHEON_INDEX_PORT'),
+      'port' => intval(getenv('PANTHEON_INDEX_PORT')),
       'path' => getenv('PANTHEON_INDEX_PATH'),
       'core' => getenv('PANTHEON_INDEX_CORE'),
       'schema' => getenv('PANTHEON_INDEX_SCHEMA'),
diff --git a/tests/Unit/EndpointServiceTest.php b/tests/Unit/EndpointServiceTest.php
index 8792fda1..845e20f5 100644
--- a/tests/Unit/EndpointServiceTest.php
+++ b/tests/Unit/EndpointServiceTest.php
@@ -22,7 +22,7 @@ public function testURIGeneration() {
     $ep = new Endpoint([
       'scheme' => 'one',
       'host' => 'two',
-      'port' => '1234',
+      'port' => 1234,
       'path' => 'server-path',
       'core' => '/core-name',
       'schema' => '/schema-path',
@@ -34,7 +34,8 @@ public function testURIGeneration() {
     $this->assertEquals('/core-name', $ep->getCore());
     $this->assertEquals('server-path', $ep->getPath());
     $this->assertEquals('one', $ep->getScheme());
-    $this->assertEquals('1234', $ep->getPort());
+    // If port is a string in the test, it should be an integer.
+    $this->assertEquals(1234, $ep->getPort());
     $this->assertEquals('one://two:1234/', $ep->getBaseUri());
     $this->assertEquals(
       'one://two:1234/server-path/core-name/',