diff --git a/web/package-lock.json b/web/package-lock.json
index aa3cf8fa8..5faa7fc6e 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -26697,9 +26697,7 @@
       "dev": true
     },
     "@braintree/sanitize-url": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/@braintree/sanitize-url/-/sanitize-url-3.1.0.tgz",
-      "integrity": "sha512-GcIY79elgB+azP74j8vqkiXz8xLFfIzbQJdlwOPisgbKT00tviJQuEghOXSMVxJ00HoYJbGswr4kcllUc4xCcg=="
+      "version": "6.0.0"
     },
     "@cnakazawa/watch": {
       "version": "1.0.4",
@@ -37273,9 +37271,7 @@
       "dev": true
     },
     "mermaid": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/mermaid/-/mermaid-8.5.0.tgz",
-      "integrity": "sha512-fZf4GAzkqWuSwo5L+BmzaBwWPudHkxL3M/t1RmS9Dvc2mcnv6hdhMaeC7poARpHaSGwkpb74LL81qXj+vAsVBg==",
+      "version": "9.0.0",
       "requires": {
         "@braintree/sanitize-url": "^3.1.0",
         "crypto-random-string": "^3.0.1",
@@ -44025,4 +44021,4 @@
       "dev": true
     }
   }
-}
+}
\ No newline at end of file
diff --git a/web/package.json b/web/package.json
index 376eb4ab6..6af0cbbb2 100755
--- a/web/package.json
+++ b/web/package.json
@@ -37,7 +37,7 @@
     "cytoscape-elk": "valohai/cytoscape.js-elk#modern",
     "cytoscape-node-html-label": "1.2.0",
     "html2canvas": "1.0.0-rc.5",
-    "mermaid": "8.5.0",
+    "mermaid": "9.0.0",
     "potrace": "2.1.6",
     "react": "16.13.1",
     "react-dom": "16.13.1",