diff --git a/package.json b/package.json
index 7f908fe..39e415f 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "markdown-it-sup": "^1.0.0",
     "markdown-it-task-lists": "^2.1.1",
     "markdown-it-toc-and-anchor": "^4.2.0",
-    "mermaid": "^8.9.2",
+    "mermaid": "^9.1.2",
     "vue": "^2.6.12"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 4fed05c..d02200f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1176,10 +1176,10 @@
     "@babel/helper-validator-identifier" "^7.16.7"
     to-fast-properties "^2.0.0"
 
-"@braintree/sanitize-url@^3.1.0":
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/@braintree/sanitize-url/-/sanitize-url-3.1.0.tgz#8ff71d51053cd5ee4981e5a501d80a536244f7fd"
-  integrity sha512-GcIY79elgB+azP74j8vqkiXz8xLFfIzbQJdlwOPisgbKT00tviJQuEghOXSMVxJ00HoYJbGswr4kcllUc4xCcg==
+"@braintree/sanitize-url@^6.0.0":
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/@braintree/sanitize-url/-/sanitize-url-6.0.0.tgz#fe364f025ba74f6de6c837a84ef44bdb1d61e68f"
+  integrity sha512-mgmE7XBYY/21erpzhexk4Cj1cyTQ9LzvnTxtzM17BJ7ERMNE6W72mQRo0I1Ud8eFJ+RVVIcBNhLFZ3GX4XFz5w==
 
 "@eslint/eslintrc@^0.4.3":
   version "0.4.3"
@@ -4160,10 +4160,10 @@ domhandler@^2.3.0:
   dependencies:
     domelementtype "1"
 
-dompurify@2.3.4:
-  version "2.3.4"
-  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.3.4.tgz#1cf5cf0105ccb4debdf6db162525bd41e6ddacc6"
-  integrity sha512-6BVcgOAVFXjI0JTjEvZy901Rghm+7fDQOrNIcxB4+gdhj6Kwp6T9VBhBY/AbagKHJocRkDYGd6wvI+p4/10xtQ==
+dompurify@2.3.8:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.3.8.tgz#224fe9ae57d7ebd9a1ae1ac18c1c1ca3f532226f"
+  integrity sha512-eVhaWoVibIzqdGYjwsBWodIQIaXFSB+cKDf4cfxLMsK0xiud6SE+/WCVx/Xw/UwQsa4cS3T2eITcdtmTg2UKcw==
 
 domutils@1.5.1:
   version "1.5.1"
@@ -6147,10 +6147,10 @@ katex@^0.9.0-alpha2:
   dependencies:
     match-at "^0.1.1"
 
-khroma@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/khroma/-/khroma-1.4.1.tgz#ad6a5b6a972befc5112ce5129887a1a83af2c003"
-  integrity sha512-+GmxKvmiRuCcUYDgR7g5Ngo0JEDeOsGdNONdU2zsiBQaK4z19Y2NvXqfEDE0ZiIrg45GTZyAnPLVsLZZACYm3Q==
+khroma@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/khroma/-/khroma-2.0.0.tgz#7577de98aed9f36c7a474c4d453d94c0d6c6588b"
+  integrity sha512-2J8rDNlQWbtiNYThZRvmMv5yt44ZakX+Tz5ZIp/mN1pt4snn+m030Va5Z4v8xA0cQFDXBwO/8i42xL4QPsVk3g==
 
 killable@^1.0.1:
   version "1.0.1"
@@ -6600,18 +6600,18 @@ merge2@^1.2.3:
   resolved "https://registry.npm.taobao.org/merge2/download/merge2-1.2.4.tgz?cache=0&sync_timestamp=1564568903369&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fmerge2%2Fdownload%2Fmerge2-1.2.4.tgz#c9269589e6885a60cf80605d9522d4b67ca646e3"
   integrity sha1-ySaVieaIWmDPgGBdlSLUtnymRuM=
 
-mermaid@^8.9.2:
-  version "8.13.8"
-  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-8.13.8.tgz#fc137e2a59df34a3e053712033833ffbbc8d84a9"
-  integrity sha512-Z5v31rvo8P7BPTiGicdJl9BbzyUe9s5sXILK8sM1g7ijkagpfFjPtXZVsq5P1WlN8m/fUp2PPNXVF9SqeTM91w==
+mermaid@^9.1.2:
+  version "9.1.2"
+  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-9.1.2.tgz#98cdc55603464240987fe1a15f68dd06304c07f1"
+  integrity sha512-RVf3hBKqiMfyORHboCaEjOAK1TomLO50hYRPvlTrZCXlCniM5pRpe8UlkHBjjpaLtioZnbdYv/vEVj7iKnwkJQ==
   dependencies:
-    "@braintree/sanitize-url" "^3.1.0"
+    "@braintree/sanitize-url" "^6.0.0"
     d3 "^7.0.0"
     dagre "^0.8.5"
     dagre-d3 "^0.6.4"
-    dompurify "2.3.4"
+    dompurify "2.3.8"
     graphlib "^2.1.8"
-    khroma "^1.4.1"
+    khroma "^2.0.0"
     moment-mini "^2.24.0"
     stylis "^4.0.10"