diff --git a/composer.lock b/composer.lock
index f194a8018..069cff9e2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -10756,16 +10756,16 @@
         },
         {
             "name": "tecnickcom/tcpdf",
-            "version": "6.3.5",
+            "version": "6.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/tecnickcom/TCPDF.git",
-                "reference": "19a535eaa7fb1c1cac499109deeb1a7a201b4549"
+                "reference": "5ba838befdb37ef06a16d9f716f35eb03cb1b329"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/19a535eaa7fb1c1cac499109deeb1a7a201b4549",
-                "reference": "19a535eaa7fb1c1cac499109deeb1a7a201b4549",
+                "url": "https://api.github.com/repos/tecnickcom/TCPDF/zipball/5ba838befdb37ef06a16d9f716f35eb03cb1b329",
+                "reference": "5ba838befdb37ef06a16d9f716f35eb03cb1b329",
                 "shasum": ""
             },
             "require": {
@@ -10816,9 +10816,15 @@
             ],
             "support": {
                 "issues": "https://github.com/tecnickcom/TCPDF/issues",
-                "source": "https://github.com/tecnickcom/TCPDF/tree/6.3.5"
+                "source": "https://github.com/tecnickcom/TCPDF/tree/6.4.1"
             },
-            "time": "2020-02-14T14:20:12+00:00"
+            "funding": [
+                {
+                    "url": "https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20tcpdf%20project",
+                    "type": "custom"
+                }
+            ],
+            "time": "2021-03-27T16:00:33+00:00"
         },
         {
             "name": "thecodingmachine/safe",