diff --git a/composer.json b/composer.json
index 36cf2816..0080356a 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "ext-json": "*",
     "ext-xml": "*",
     "predis/predis": "^1.1",
-    "monolog/monolog": "2.3.2",
+    "monolog/monolog": "2.3.4",
     "macbre/monolog-utils": "^2.1",
     "tedivm/jshrink": "^1.2"
   },
diff --git a/composer.lock b/composer.lock
index a5825f2d..64c093cd 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6debab7942192c1307469ca4c2315a18",
+    "content-hash": "fc09693d112156391e47a7c4dacb8879",
     "packages": [
         {
             "name": "macbre/monolog-utils",
@@ -53,24 +53,24 @@
         },
         {
             "name": "monolog/monolog",
-            "version": "2.3.2",
+            "version": "2.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Seldaek/monolog.git",
-                "reference": "71312564759a7db5b789296369c1a264efc43aad"
+                "reference": "437e7a1c50044b92773b361af77620efb76fff59"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/71312564759a7db5b789296369c1a264efc43aad",
-                "reference": "71312564759a7db5b789296369c1a264efc43aad",
+                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/437e7a1c50044b92773b361af77620efb76fff59",
+                "reference": "437e7a1c50044b92773b361af77620efb76fff59",
                 "shasum": ""
             },
             "require": {
                 "php": ">=7.2",
-                "psr/log": "^1.0.1"
+                "psr/log": "^1.0.1 || ^2.0 || ^3.0"
             },
             "provide": {
-                "psr/log-implementation": "1.0.0"
+                "psr/log-implementation": "1.0.0 || 2.0.0 || 3.0.0"
             },
             "require-dev": {
                 "aws/aws-sdk-php": "^2.4.9 || ^3.0",
@@ -85,7 +85,7 @@
                 "phpunit/phpunit": "^8.5",
                 "predis/predis": "^1.1",
                 "rollbar/rollbar": "^1.3",
-                "ruflin/elastica": ">=0.90 <7.0.1",
+                "ruflin/elastica": ">=0.90@dev",
                 "swiftmailer/swiftmailer": "^5.3|^6.0"
             },
             "suggest": {
@@ -93,8 +93,11 @@
                 "doctrine/couchdb": "Allow sending log messages to a CouchDB server",
                 "elasticsearch/elasticsearch": "Allow sending log messages to an Elasticsearch server via official client",
                 "ext-amqp": "Allow sending log messages to an AMQP server (1.0+ required)",
+                "ext-curl": "Required to send log messages using the IFTTTHandler, the LogglyHandler, the SendGridHandler, the SlackWebhookHandler or the TelegramBotHandler",
                 "ext-mbstring": "Allow to work properly with unicode symbols",
                 "ext-mongodb": "Allow sending log messages to a MongoDB server (via driver)",
+                "ext-openssl": "Required to send log messages using SSL",
+                "ext-sockets": "Allow sending log messages to a Syslog server (via UDP driver)",
                 "graylog2/gelf-php": "Allow sending log messages to a GrayLog2 server",
                 "mongodb/mongodb": "Allow sending log messages to a MongoDB server (via library)",
                 "php-amqplib/php-amqplib": "Allow sending log messages to an AMQP server using php-amqplib",
@@ -133,7 +136,7 @@
             ],
             "support": {
                 "issues": "https://github.com/Seldaek/monolog/issues",
-                "source": "https://github.com/Seldaek/monolog/tree/2.3.2"
+                "source": "https://github.com/Seldaek/monolog/tree/2.3.4"
             },
             "funding": [
                 {
@@ -145,7 +148,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-07-23T07:42:52+00:00"
+            "time": "2021-09-15T11:27:21+00:00"
         },
         {
             "name": "predis/predis",