diff --git a/composer.lock b/composer.lock
index 60db6437e..19211a75b 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": "f1d3caaff1646695934ec330533011b5",
+    "content-hash": "4a849f11d069eee2fdda78609cb0c7b6",
     "packages": [
         {
             "name": "erusev/parsedown",
@@ -306,16 +306,16 @@
         },
         {
             "name": "scssphp/scssphp",
-            "version": "v1.4.1",
+            "version": "v1.10.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/scssphp/scssphp.git",
-                "reference": "ba86c963b94ec7ebd6e19d90cdab90d89667dbf7"
+                "reference": "387f4f4abf5d99f16be16314c5ab856f81c82f46"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/scssphp/scssphp/zipball/ba86c963b94ec7ebd6e19d90cdab90d89667dbf7",
-                "reference": "ba86c963b94ec7ebd6e19d90cdab90d89667dbf7",
+                "url": "https://api.github.com/repos/scssphp/scssphp/zipball/387f4f4abf5d99f16be16314c5ab856f81c82f46",
+                "reference": "387f4f4abf5d99f16be16314c5ab856f81c82f46",
                 "shasum": ""
             },
             "require": {
@@ -324,13 +324,20 @@
                 "php": ">=5.6.0"
             },
             "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.4",
                 "phpunit/phpunit": "^5.7 || ^6.5 || ^7.5 || ^8.3 || ^9.4",
-                "sass/sass-spec": "2020.12.29",
+                "sass/sass-spec": "*",
                 "squizlabs/php_codesniffer": "~3.5",
                 "symfony/phpunit-bridge": "^5.1",
-                "twbs/bootstrap": "~4.3",
+                "thoughtbot/bourbon": "^7.0",
+                "twbs/bootstrap": "~5.0",
+                "twbs/bootstrap4": "4.6.1",
                 "zurb/foundation": "~6.5"
             },
+            "suggest": {
+                "ext-iconv": "Can be used as fallback when ext-mbstring is not available",
+                "ext-mbstring": "For best performance, mbstring should be installed as it is faster than ext-iconv"
+            },
             "bin": [
                 "bin/pscss"
             ],
@@ -367,9 +374,9 @@
             ],
             "support": {
                 "issues": "https://github.com/scssphp/scssphp/issues",
-                "source": "https://github.com/scssphp/scssphp/tree/v1.4.1"
+                "source": "https://github.com/scssphp/scssphp/tree/v1.10.2"
             },
-            "time": "2021-01-04T13:23:23+00:00"
+            "time": "2022-03-02T21:15:09+00:00"
         },
         {
             "name": "symfony/css-selector",
@@ -795,7 +802,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": ">=7.0",
+        "php": ">=7.2",
         "ext-curl": "*",
         "ext-mbstring": "*",
         "ext-xml": "*",
@@ -804,5 +811,5 @@
         "ext-json": "*"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.0.0"
+    "plugin-api-version": "2.3.0"
 }