diff --git a/MathRestbaseInterface.php b/MathRestbaseInterface.php
index 747ba79..8a4fbaa 100644
--- a/MathRestbaseInterface.php
+++ b/MathRestbaseInterface.php
@@ -151,8 +151,9 @@ class MathRestbaseInterface {
 	}
 
 	private function getServiceClient() {
-		global $wgVirtualRestConfig;
-		$serviceClient = new VirtualRESTServiceClient( new MultiHttpClient( [] ) );
+		global $wgVirtualRestConfig, $wgMathConcurrentReqs;
+		$http = new MultiHttpClient( [ 'maxConnsPerHost' => $wgMathConcurrentReqs ] );
+		$serviceClient = new VirtualRESTServiceClient( $http );
 		if ( isset( $wgVirtualRestConfig['modules']['restbase'] ) ) {
 			$cfg = $wgVirtualRestConfig['modules']['restbase'];
 			$cfg['parsoidCompat'] = false;
diff --git a/extension.json b/extension.json
index 75d1cdc..4f2a525 100644
--- a/extension.json
+++ b/extension.json
@@ -108,6 +108,7 @@
 		"MathMathMLTimeout": 20,
 		"MathMathMLUrl": "http://mathoid.testme.wmflabs.org",
 		"MathFullRestbaseURL": false,
+		"MathConcurrentReqs": 50,
 		"MathPath": false,
 		"MathTexvcCheckExecutable": false,
 		"MathValidModes": [