diff --git a/composer.json b/composer.json
index ab25308759..f9fff61cdd 100644
--- a/composer.json
+++ b/composer.json
@@ -136,7 +136,7 @@
 		"robrichards/xmlseclibs": "^3.1.1",
 		"simplesamlphp/simplesamlphp": "^1.19.0",
 		"simplesamlphp/twig-configurable-i18n": "~2.3.3",
-		"tinymce/tinymce": "5.10.*"
+		"tinymce/tinymce": "^5.10.8"
 	},
 	"require-dev": {
 		"phpunit/phpunit": "^9"
diff --git a/composer.lock b/composer.lock
index 68294a79b5..58a0e4134a 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": "5ef6a25faef85fc9d7799f8c4f31d901",
+    "content-hash": "a1ebad77744e2ba1fadcf06b93dde612",
     "packages": [
         {
             "name": "adldap2/adldap2",
@@ -9751,16 +9751,16 @@
         },
         {
             "name": "tinymce/tinymce",
-            "version": "5.10.7",
+            "version": "5.10.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/tinymce/tinymce-dist.git",
-                "reference": "f078d8eb7de81f20d34b2ae4326870d20e22d4ff"
+                "reference": "b9c50833d455adcf5ae89a6da7648ae5d65468df"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/tinymce/tinymce-dist/zipball/f078d8eb7de81f20d34b2ae4326870d20e22d4ff",
-                "reference": "f078d8eb7de81f20d34b2ae4326870d20e22d4ff",
+                "url": "https://api.github.com/repos/tinymce/tinymce-dist/zipball/b9c50833d455adcf5ae89a6da7648ae5d65468df",
+                "reference": "b9c50833d455adcf5ae89a6da7648ae5d65468df",
                 "shasum": ""
             },
             "type": "component",
@@ -9801,7 +9801,10 @@
                 "tinymce",
                 "wysiwyg"
             ],
-            "time": "2022-12-07T03:50:54+00:00"
+            "support": {
+                "source": "https://github.com/tinymce/tinymce-dist/tree/5.10.8"
+            },
+            "time": "2023-10-19T03:02:47+00:00"
         },
         {
             "name": "twig/extensions",