diff --git a/composer.lock b/composer.lock
index d1e3cdc..0eebecb 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8,21 +8,21 @@
     "packages": [
         {
             "name": "aptoma/twig-markdown",
-            "version": "3.1.0",
+            "version": "3.3.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aptoma/twig-markdown.git",
-                "reference": "dd287a4c60bd7ca44b6f74795a4c3b96d7497e83"
+                "reference": "bbafa0bec60086bf67500515476ce4e8b946a709"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aptoma/twig-markdown/zipball/dd287a4c60bd7ca44b6f74795a4c3b96d7497e83",
-                "reference": "dd287a4c60bd7ca44b6f74795a4c3b96d7497e83",
+                "url": "https://api.github.com/repos/aptoma/twig-markdown/zipball/bbafa0bec60086bf67500515476ce4e8b946a709",
+                "reference": "bbafa0bec60086bf67500515476ce4e8b946a709",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.0",
-                "twig/twig": "^2.7.0"
+                "twig/twig": "^2.7.0|^3.0"
             },
             "require-dev": {
                 "codeclimate/php-test-reporter": "dev-master",
@@ -30,7 +30,7 @@
                 "knplabs/github-api": "~1.4",
                 "league/commonmark": "~0.5",
                 "michelf/php-markdown": "~1",
-                "phpunit/phpunit": "~6.0||~5.0"
+                "phpunit/phpunit": "~6.0|~5.0|~8.0"
             },
             "suggest": {
                 "knplabs/github-api": "Needed for using GitHub's Markdown engine provided through their API.",
@@ -47,13 +47,13 @@
                 "MIT"
             ],
             "authors": [
-                {
-                    "name": "Joris Berthelot",
-                    "email": "joris@berthelot.tel"
-                },
                 {
                     "name": "Gunnar Lium",
                     "email": "gunnar@aptoma.com"
+                },
+                {
+                    "name": "Joris Berthelot",
+                    "email": "joris@berthelot.tel"
                 }
             ],
             "description": "Twig extension to work with Markdown content",
@@ -61,7 +61,7 @@
                 "markdown",
                 "twig"
             ],
-            "time": "2019-03-13T11:25:31+00:00"
+            "time": "2019-12-16T07:59:11+00:00"
         },
         {
             "name": "clue/stream-filter",
@@ -2362,16 +2362,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.11.0",
+            "version": "v1.13.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609"
+                "reference": "7b4aab9743c30be783b73de055d24a39cf4b954f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/fe5e94c604826c35a32fa832f35bd036b6799609",
-                "reference": "fe5e94c604826c35a32fa832f35bd036b6799609",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/7b4aab9743c30be783b73de055d24a39cf4b954f",
+                "reference": "7b4aab9743c30be783b73de055d24a39cf4b954f",
                 "shasum": ""
             },
             "require": {
@@ -2383,7 +2383,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.11-dev"
+                    "dev-master": "1.13-dev"
                 }
             },
             "autoload": {
@@ -2417,7 +2417,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2019-02-06T07:57:58+00:00"
+            "time": "2019-11-27T14:18:11+00:00"
         },
         {
             "name": "symfony/translation",
@@ -2776,16 +2776,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v2.9.0",
+            "version": "v2.12.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "82a1c055c8ed4c4705023bfd0405f3c74db6e3ae"
+                "reference": "97b6311585cae66a26833b14b33785f5797f7d39"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/82a1c055c8ed4c4705023bfd0405f3c74db6e3ae",
-                "reference": "82a1c055c8ed4c4705023bfd0405f3c74db6e3ae",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/97b6311585cae66a26833b14b33785f5797f7d39",
+                "reference": "97b6311585cae66a26833b14b33785f5797f7d39",
                 "shasum": ""
             },
             "require": {
@@ -2795,13 +2795,12 @@
             },
             "require-dev": {
                 "psr/container": "^1.0",
-                "symfony/debug": "^2.7",
-                "symfony/phpunit-bridge": "^3.4.19|^4.1.8"
+                "symfony/phpunit-bridge": "^4.4|^5.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.9-dev"
+                    "dev-master": "2.12-dev"
                 }
             },
             "autoload": {
@@ -2823,15 +2822,14 @@
                     "homepage": "http://fabien.potencier.org",
                     "role": "Lead Developer"
                 },
+                {
+                    "name": "Twig Team",
+                    "role": "Contributors"
+                },
                 {
                     "name": "Armin Ronacher",
                     "email": "armin.ronacher@active-4.com",
                     "role": "Project Founder"
-                },
-                {
-                    "name": "Twig Team",
-                    "homepage": "https://twig.symfony.com/contributors",
-                    "role": "Contributors"
                 }
             ],
             "description": "Twig, the flexible, fast, and secure template language for PHP",
@@ -2839,7 +2837,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2019-04-28T06:57:38+00:00"
+            "time": "2019-12-28T07:12:03+00:00"
         },
         {
             "name": "webmozart/assert",