diff --git a/src/HttpClient/HttpClient.php b/src/HttpClient/HttpClient.php
index e94452a14..aa5873df3 100644
--- a/src/HttpClient/HttpClient.php
+++ b/src/HttpClient/HttpClient.php
@@ -64,8 +64,8 @@ public function sendRequest(Request $request, Options $options): Response
         curl_setopt($curlHandle, \CURLOPT_URL, $dsn->getEnvelopeApiEndpointUrl());
         curl_setopt($curlHandle, \CURLOPT_HTTPHEADER, $requestHeaders);
         curl_setopt($curlHandle, \CURLOPT_USERAGENT, $this->sdkIdentifier . '/' . $this->sdkVersion);
-        curl_setopt($curlHandle, \CURLOPT_TIMEOUT, $options->getHttpTimeout());
-        curl_setopt($curlHandle, \CURLOPT_CONNECTTIMEOUT, $options->getHttpConnectTimeout());
+        curl_setopt($curlHandle, \CURLOPT_TIMEOUT_MS, $options->getHttpTimeout() * 1000);
+        curl_setopt($curlHandle, \CURLOPT_CONNECTTIMEOUT_MS, $options->getHttpConnectTimeout() * 1000);
         curl_setopt($curlHandle, \CURLOPT_ENCODING, '');
         curl_setopt($curlHandle, \CURLOPT_POST, true);
         curl_setopt($curlHandle, \CURLOPT_POSTFIELDS, $requestData);
diff --git a/tests/OptionsTest.php b/tests/OptionsTest.php
index ddae2f913..3bbc3c5ea 100644
--- a/tests/OptionsTest.php
+++ b/tests/OptionsTest.php
@@ -341,6 +341,13 @@ static function (): void {},
             'setHttpTimeout',
         ];
 
+        yield [
+            'http_timeout',
+            0.2,
+            'getHttpTimeout',
+            'setHttpTimeout',
+        ];
+
         yield [
             'http_connect_timeout',
             1,
@@ -355,6 +362,13 @@ static function (): void {},
             'setHttpConnectTimeout',
         ];
 
+        yield [
+            'http_connect_timeout',
+            0.2,
+            'getHttpConnectTimeout',
+            'setHttpConnectTimeout',
+        ];
+
         yield [
             'http_ssl_verify_peer',
             false,