diff --git a/package.json b/package.json
index 812258a..56435f0 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "dompurify": "^2.0.8",
+    "dompurify": "^3.0.0",
     "highlight.js": "^10.0.0",
     "html-to-image": "^1.0.0",
     "katex": "^0.12.0",
diff --git a/yarn.lock b/yarn.lock
index ef91928..33e3be4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -872,6 +872,11 @@
   resolved "https://registry.npm.taobao.org/@types/trusted-types/download/@types/trusted-types-1.0.4.tgz#922d092c84a776a59acb0bd6785fd82b59b9bad5"
   integrity sha1-ki0JLISndqWaywvWeF/YK1m5utU=
 
+"@types/trusted-types@^2.0.7":
+  version "2.0.7"
+  resolved "https://registry.yarnpkg.com/@types/trusted-types/-/trusted-types-2.0.7.tgz#baccb07a970b91707df3a3e8ba6896c57ead2d11"
+  integrity sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==
+
 "@typescript-eslint/eslint-plugin@^2.26.0":
   version "2.26.0"
   resolved "https://registry.npm.taobao.org/@typescript-eslint/eslint-plugin/download/@typescript-eslint/eslint-plugin-2.26.0.tgz#04c96560c8981421e5a9caad8394192363cc423f"
@@ -1450,10 +1455,12 @@ doctrine@^3.0.0:
   dependencies:
     esutils "^2.0.2"
 
-dompurify@^2.0.8:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.2.6.tgz#54945dc5c0b45ce5ae228705777e8e59d7b2edc4"
-  integrity sha512-7b7ZArhhH0SP6W2R9cqK6RjaU82FZ2UPM7RO8qN1b1wyvC/NY1FNWcX1Pu00fFOAnzEORtwXe4bPaClg6pUybQ==
+dompurify@^3.0.0:
+  version "3.4.13"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-3.4.13.tgz#fc28949d59f92d62e28a3a764bcbeee35897a1be"
+  integrity sha512-2vmYIoqjze2d+kakP8S/nS5shfsl587kzwEjcGlTdiksUVgFHnFCsLYDVj/JNqJVOQZGSYBTmuycv0PodwmnMQ==
+  optionalDependencies:
+    "@types/trusted-types" "^2.0.7"
 
 electron-to-chromium@^1.3.390:
   version "1.3.397"