diff --git a/plib/library/composer.lock b/plib/library/composer.lock
index 0952163..3881e4a 100644
--- a/plib/library/composer.lock
+++ b/plib/library/composer.lock
@@ -3260,7 +3260,7 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.32.0",
+            "version": "v1.33.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
@@ -3321,7 +3321,7 @@
                 "shim"
             ],
             "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.32.0"
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.33.0"
             },
             "funding": [
                 {
@@ -3332,6 +3332,10 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"