diff --git a/tgui/packages/tgui-panel/package.json b/tgui/packages/tgui-panel/package.json
index f4bc4aa8ebca..5cc600110b54 100644
--- a/tgui/packages/tgui-panel/package.json
+++ b/tgui/packages/tgui-panel/package.json
@@ -4,7 +4,7 @@
 	"version": "6.0.0",
 	"dependencies": {
 		"common": "workspace:*",
-		"dompurify": "^3.2.5",
+		"dompurify": "^3.4.13",
 		"react": "^19.1.0",
 		"react-dom": "^19.1.0",
 		"tgui": "workspace:*",
diff --git a/tgui/packages/tgui/package.json b/tgui/packages/tgui/package.json
index 19d5eb9025f7..19d2d96f5497 100644
--- a/tgui/packages/tgui/package.json
+++ b/tgui/packages/tgui/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "common": "workspace:*",
     "dateformat": "^5.0.3",
-    "dompurify": "^3.2.5",
+    "dompurify": "^3.4.13",
     "highlight.js": "^11.11.1",
     "jest": "^29.7.0",
     "jotai": "^2.12.4",
diff --git a/tgui/yarn.lock b/tgui/yarn.lock
index bb99b6bed145..2387567723dd 100644
--- a/tgui/yarn.lock
+++ b/tgui/yarn.lock
@@ -4071,15 +4071,15 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dompurify@npm:^3.2.5":
-  version: 3.2.6
-  resolution: "dompurify@npm:3.2.6"
+"dompurify@npm:^3.4.13":
+  version: 3.4.13
+  resolution: "dompurify@npm:3.4.13"
   dependencies:
     "@types/trusted-types": "npm:^2.0.7"
   dependenciesMeta:
     "@types/trusted-types":
       optional: true
-  checksum: 10c0/c8f8e5b0879a0d93c84a2e5e78649a47d0c057ed0f7850ca3d573d2cca64b84fb1ff85bd4b20980ade69c4e5b80ae73011340f1c2ff375c7ef98bb8268e1d13a
+  checksum: 10c0/9c2a1a71e1a1d8b77953db7a39ffc935ef4ed4f10fe40770232128c2cbfd4c3dc677d3d7bae51eb24cc52d9ff3548612dc540ecb4343e89b26e809d2be2e0cfe
   languageName: node
   linkType: hard
 
@@ -10020,7 +10020,7 @@ __metadata:
     "@types/react": "npm:^19.1.0"
     "@types/react-dom": "npm:^19.1.2"
     common: "workspace:*"
-    dompurify: "npm:^3.2.5"
+    dompurify: "npm:^3.4.13"
     react: "npm:^19.1.0"
     react-dom: "npm:^19.1.0"
     tgui: "workspace:*"
@@ -10074,7 +10074,7 @@ __metadata:
     "@types/react-dom": "npm:^19.1.2"
     common: "workspace:*"
     dateformat: "npm:^5.0.3"
-    dompurify: "npm:^3.2.5"
+    dompurify: "npm:^3.4.13"
     highlight.js: "npm:^11.11.1"
     jest: "npm:^29.7.0"
     jotai: "npm:^2.12.4"