diff --git a/composer.json b/composer.json
index 2987b62be..a54953d18 100644
--- a/composer.json
+++ b/composer.json
@@ -104,7 +104,7 @@
         "phpunit/phpunit": "^9.5.10",
         "psr/http-message": "^2.0",
         "roave/security-advisories": "dev-master",
-        "scssphp/scssphp": "~1.12.0",
+        "scssphp/scssphp": "~1.13.0",
         "siad007/versioncontrol_hg": "^1.0",
         "smarty/smarty": "^5.0",
         "squizlabs/php_codesniffer": "^3.5",
diff --git a/composer.lock b/composer.lock
index db6628a26..0a94c6f1d 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": "6605d94da1e30baaf6b8977d44c093a3",
+    "content-hash": "04d0402c6cd286b5068297e4c147bc9d",
     "packages": [
         {
             "name": "psr/container",
@@ -6123,16 +6123,16 @@
         },
         {
             "name": "scssphp/scssphp",
-            "version": "v1.12.1",
+            "version": "v1.13.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/scssphp/scssphp.git",
-                "reference": "394ed1e960138710a60d035c1a85d43d0bf0faeb"
+                "reference": "63d1157457e5554edf00b0c1fabab4c1511d2520"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/scssphp/scssphp/zipball/394ed1e960138710a60d035c1a85d43d0bf0faeb",
-                "reference": "394ed1e960138710a60d035c1a85d43d0bf0faeb",
+                "url": "https://api.github.com/repos/scssphp/scssphp/zipball/63d1157457e5554edf00b0c1fabab4c1511d2520",
+                "reference": "63d1157457e5554edf00b0c1fabab4c1511d2520",
                 "shasum": ""
             },
             "require": {
@@ -6197,9 +6197,9 @@
             ],
             "support": {
                 "issues": "https://github.com/scssphp/scssphp/issues",
-                "source": "https://github.com/scssphp/scssphp/tree/v1.12.1"
+                "source": "https://github.com/scssphp/scssphp/tree/v1.13.0"
             },
-            "time": "2024-01-13T12:36:40+00:00"
+            "time": "2024-08-17T21:02:11+00:00"
         },
         {
             "name": "sebastian/cli-parser",