diff --git a/package-lock.json b/package-lock.json
index 5e15349..d087bc7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,7 @@
         "mammoth": "^1.13.0",
         "marked": "^18.1.0",
         "mcp-client": "^1.13.1",
-        "mermaid": "^12.1.0",
+        "mermaid": "^12.2.0",
         "morgan": "^1.12.1",
         "node-fetch": "^3.3.2",
         "papaparse": "^5.7.0",
@@ -8954,9 +8954,9 @@
       "license": "MIT"
     },
     "node_modules/mermaid": {
-      "version": "12.1.0",
-      "resolved": "https://registry.npmjs.org/mermaid/-/mermaid-12.1.0.tgz",
-      "integrity": "sha512-wlVCp+8eTupfCeeFvoZNNiTuHrvag0P2jz/ILgb/f/6jkVokUefOcujefi8qUe/j2asHiSePncVsz/xzzA80LQ==",
+      "version": "12.2.0",
+      "resolved": "https://registry.npmjs.org/mermaid/-/mermaid-12.2.0.tgz",
+      "integrity": "sha512-w7nr/SFrLO7BaVTs3dQTvYSV6nYSBj0Yy9DjBhsIJtAcHqRzXSq4Pg32ujHZ/AdWsAMNEvvhbm5dt9E2tOiHzw==",
       "license": "MIT",
       "dependencies": {
         "@braintree/sanitize-url": "^7.1.2",
@@ -8975,7 +8975,7 @@
         "dompurify": "^3.4.12",
         "elkjs": "^0.9.3",
         "es-toolkit": "^1.45.1",
-        "katex": "^0.16.47",
+        "katex": "^0.18.0",
         "khroma": "^2.1.0",
         "marked": "^16.3.0",
         "roughjs": "^4.6.6",
@@ -9059,6 +9059,31 @@
         "uuid": "^11.1.0 || ^12 || ^13 || ^14.0.0"
       }
     },
+    "node_modules/mermaid/node_modules/commander": {
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-15.0.0.tgz",
+      "integrity": "sha512-z67u4ZhzCL/Tydu1lJARtEZYWbWaN7oYLHbsuzocr6y4N6WZAagG3RQ4FW61V1/0+jImpj293XfrcYnd1qxtPg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22.12.0"
+      }
+    },
+    "node_modules/mermaid/node_modules/katex": {
+      "version": "0.18.10",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.18.10.tgz",
+      "integrity": "sha512-/B6p9eY9DX7aHBfpkHdpirDTZ5QH9xTwL9y837PWuzuv41O5jFdqNQwVQEQsimY0/iVNkwBY4+4hMfhQ7d4Dbw==",
+      "funding": [
+        "https://opencollective.com/katex",
+        "https://github.com/sponsors/katex"
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "commander": "^15.0.0"
+      },
+      "bin": {
+        "katex": "cli.js"
+      }
+    },
     "node_modules/mermaid/node_modules/marked": {
       "version": "16.4.2",
       "resolved": "https://registry.npmjs.org/marked/-/marked-16.4.2.tgz",
diff --git a/package.json b/package.json
index 534538c..73e51ab 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "mammoth": "^1.13.0",
     "marked": "^18.1.0",
     "mcp-client": "^1.13.1",
-    "mermaid": "^12.1.0",
+    "mermaid": "^12.2.0",
     "morgan": "^1.12.1",
     "node-fetch": "^3.3.2",
     "papaparse": "^5.7.0",