diff --git a/composer.json b/composer.json
index ff2511fa..74723993 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
         "laminas/laminas-diactoros": "^2.8",
         "laminas/laminas-httphandlerrunner": "^2.1",
         "laminas/laminas-stratigility": "^3.5",
-        "monolog/monolog": "^2.1",
+        "monolog/monolog": "^2.3",
         "phpunit/phpunit": "^9.5",
         "psr/event-dispatcher": "^1.0",
         "squizlabs/php_codesniffer": "^3.6",
diff --git a/composer.lock b/composer.lock
index 3208a4d8..a5c2e00c 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": "7537fc69f5291149915e4e3fc3ffe06b",
+    "content-hash": "d66f9ed8153c50bd33c89596380bc3f4",
     "packages": [],
     "packages-dev": [
         {
@@ -2086,24 +2086,24 @@
         },
         {
             "name": "monolog/monolog",
-            "version": "2.2.0",
+            "version": "2.3.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Seldaek/monolog.git",
-                "reference": "1cb1cde8e8dd0f70cc0fe51354a59acad9302084"
+                "reference": "fd4380d6fc37626e2f799f29d91195040137eba9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/1cb1cde8e8dd0f70cc0fe51354a59acad9302084",
-                "reference": "1cb1cde8e8dd0f70cc0fe51354a59acad9302084",
+                "url": "https://api.github.com/repos/Seldaek/monolog/zipball/fd4380d6fc37626e2f799f29d91195040137eba9",
+                "reference": "fd4380d6fc37626e2f799f29d91195040137eba9",
                 "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",
@@ -2111,14 +2111,14 @@
                 "elasticsearch/elasticsearch": "^7",
                 "graylog2/gelf-php": "^1.4.2",
                 "mongodb/mongodb": "^1.8",
-                "php-amqplib/php-amqplib": "~2.4",
+                "php-amqplib/php-amqplib": "~2.4 || ^3",
                 "php-console/php-console": "^3.1.3",
                 "phpspec/prophecy": "^1.6.1",
-                "phpstan/phpstan": "^0.12.59",
+                "phpstan/phpstan": "^0.12.91",
                 "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": {
@@ -2126,8 +2126,11 @@
                 "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",
@@ -2166,7 +2169,7 @@
             ],
             "support": {
                 "issues": "https://github.com/Seldaek/monolog/issues",
-                "source": "https://github.com/Seldaek/monolog/tree/2.2.0"
+                "source": "https://github.com/Seldaek/monolog/tree/2.3.5"
             },
             "funding": [
                 {
@@ -2178,7 +2181,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-12-14T13:15:25+00:00"
+            "time": "2021-10-01T21:08:31+00:00"
         },
         {
             "name": "myclabs/deep-copy",