diff --git a/package-lock.json b/package-lock.json
index 8a9059a36..f39d035ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "@vueuse/components": "^14.3.0",
         "color-convert": "^3.1.3",
         "debounce": "^3.0.0",
-        "dompurify": "^3.2.6",
+        "dompurify": "^3.4.3",
         "ical.js": "^2.2.0",
         "markdown-it": "^14.1.1",
         "markdown-it-emoji": "^3.0.0",
@@ -7101,9 +7101,9 @@
       }
     },
     "node_modules/dompurify": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.2.tgz",
-      "integrity": "sha512-lHeS9SA/IKeIFFyYciHBr2n0v1VMPlSj843HdLOwjb2OxNwdq9Xykxqhk+FE42MzAdHvInbAolSE4mhahPpjXA==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/dompurify/-/dompurify-3.4.3.tgz",
+      "integrity": "sha512-VVwJidIJcp1hpg2OMXML3ZVRPYSZiq4aX7qBh83BSIpOaRDqI+qxhXjjIWnpzkOXhmp0L81lnoME1mnCc9H48A==",
       "license": "(MPL-2.0 OR Apache-2.0)",
       "optionalDependencies": {
         "@types/trusted-types": "^2.0.7"
diff --git a/package.json b/package.json
index 58c4d194d..9d43d0f32 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "color-convert": "^3.1.3",
     "debounce": "^3.0.0",
     "ical.js": "^2.2.0",
-    "dompurify": "^3.2.6",
+    "dompurify": "^3.4.3",
     "markdown-it": "^14.1.1",
     "markdown-it-emoji": "^3.0.0",
     "markdown-it-link-attributes": "^4.0.1",