diff --git a/package.json b/package.json
index b83730df0a9..54fac481ce2 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
   "dependencies": {
     "@chevrotain/regexp-to-ast": "^11.2.0",
     "crelt": "^1.0.6",
-    "mermaid": "^11.12.2",
+    "mermaid": "^11.15.0",
     "vscode-jsonrpc": "^8.2.1",
     "vscode-languageserver-types": "^3.17.5"
   }
diff --git a/packages/web-pkg/package.json b/packages/web-pkg/package.json
index c930fddd457..b36a6dfbe9d 100644
--- a/packages/web-pkg/package.json
+++ b/packages/web-pkg/package.json
@@ -65,7 +65,7 @@
     "mark.js": "^8.11.1",
     "marked": "^17.0.6",
     "md-editor-v3": "^6.5.0",
-    "mermaid": "^11.12.2",
+    "mermaid": "^11.15.0",
     "oidc-client-ts": "^3.5.0",
     "p-queue": "^9.2.0",
     "password-sheriff": "^2.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f48db10b374..ffc0fdbeb55 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -30,7 +30,7 @@ importers:
         specifier: ^1.0.6
         version: 1.0.6
       mermaid:
-        specifier: ^11.12.2
+        specifier: ^11.15.0
         version: 11.15.0
       vscode-jsonrpc:
         specifier: ^8.2.1
@@ -996,7 +996,7 @@ importers:
         specifier: ^6.5.0
         version: 6.5.0(vue@3.5.29(typescript@5.9.3))
       mermaid:
-        specifier: ^11.12.2
+        specifier: ^11.15.0
         version: 11.15.0
       oidc-client-ts:
         specifier: ^3.5.0
@@ -5424,6 +5424,7 @@ packages:
 
   lucide-vue-next@0.543.0:
     resolution: {integrity: sha512-Az5kpNm/koKAwSNIKjsZ4uHV2tVfmlQlcHwFBygQ8gc5/jFg7An9OrxgDy/aE5m+HLx7VfLYqDxLr8gWecZbQA==}
+    deprecated: Package deprecated. Please use @lucide/vue instead.
     peerDependencies:
       vue: '>=3.0.1'