diff --git a/composer.json b/composer.json
index a8a90f20a5..df6b758c27 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 	"require": {
 		"php": ">=8.0 <=8.3",
 		"ext-openssl": "*",
-		"arthurhoaro/favicon": "^1.3.3",
+		"arthurhoaro/favicon": "^1.3.4",
 		"bamarni/composer-bin-plugin": "^1.8.2",
 		"bytestream/horde-exception": "^2.2.0",
 		"bytestream/horde-imap-client": "^2.33.1",
diff --git a/composer.lock b/composer.lock
index 17916872e7..1942ca8475 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": "5b23309d787ca186d07a895244eb17bd",
+    "content-hash": "36660be32403ae85cdb7b60719a85aa3",
     "packages": [
         {
             "name": "amphp/amp",
@@ -564,16 +564,16 @@
         },
         {
             "name": "arthurhoaro/favicon",
-            "version": "v1.3.3",
+            "version": "v1.3.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/ArthurHoaro/favicon.git",
-                "reference": "b1acd8b87d6b37e5251fe0559ed488a95078f5b9"
+                "reference": "b5e4a5251c6703ae48d50cb5e3b724d6084a4ddc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/ArthurHoaro/favicon/zipball/b1acd8b87d6b37e5251fe0559ed488a95078f5b9",
-                "reference": "b1acd8b87d6b37e5251fe0559ed488a95078f5b9",
+                "url": "https://api.github.com/repos/ArthurHoaro/favicon/zipball/b5e4a5251c6703ae48d50cb5e3b724d6084a4ddc",
+                "reference": "b5e4a5251c6703ae48d50cb5e3b724d6084a4ddc",
                 "shasum": ""
             },
             "require": {
@@ -615,10 +615,10 @@
             ],
             "support": {
                 "issues": "https://github.com/ArthurHoaro/favicon/issues",
-                "source": "https://github.com/ArthurHoaro/favicon/tree/v1.3.3",
+                "source": "https://github.com/ArthurHoaro/favicon/tree/v1.3.4",
                 "sources": "https://github.com/ArthurHoaro/favicon"
             },
-            "time": "2021-08-06T05:41:25+00:00"
+            "time": "2023-10-22T00:13:38+00:00"
         },
         {
             "name": "bamarni/composer-bin-plugin",
@@ -4198,5 +4198,5 @@
     "platform-overrides": {
         "php": "8.0"
     },
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.6.0"
 }