diff --git a/package.json b/package.json
index c0f3a62d73..38eb411dfa 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "esbuild-plugin-prismjs": "^1.0.8",
     "esbuild-rails": "^1.0.7",
     "flatpickr": "^4.6.13",
-    "mermaid": "^10.9.1",
+    "mermaid": "^10.9.3",
     "postcss": "^8.4.47",
     "postcss-import": "^16.1.0",
     "prismjs": "^1.29.0",
diff --git a/yarn.lock b/yarn.lock
index 6e2be30670..189c1cd674 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2222,7 +2222,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dompurify@npm:^3.0.5":
+"dompurify@npm:^3.0.5 <3.1.7":
   version: 3.1.6
   resolution: "dompurify@npm:3.1.6"
   checksum: 10c0/3de1cca187c78d3d8cb4134fc2985b644d6a81f6b4e024c77cfb04c1c2f38544ccf7b0ea37a48ce22fcca64594170ed7c22252574c75b801c44345cdd7b06c64
@@ -4315,9 +4315,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"mermaid@npm:^10.9.1":
-  version: 10.9.1
-  resolution: "mermaid@npm:10.9.1"
+"mermaid@npm:^10.9.3":
+  version: 10.9.3
+  resolution: "mermaid@npm:10.9.3"
   dependencies:
     "@braintree/sanitize-url": "npm:^6.0.1"
     "@types/d3-scale": "npm:^4.0.3"
@@ -4328,7 +4328,7 @@ __metadata:
     d3-sankey: "npm:^0.12.3"
     dagre-d3-es: "npm:7.0.10"
     dayjs: "npm:^1.11.7"
-    dompurify: "npm:^3.0.5"
+    dompurify: "npm:^3.0.5 <3.1.7"
     elkjs: "npm:^0.9.0"
     katex: "npm:^0.16.9"
     khroma: "npm:^2.0.0"
@@ -4339,7 +4339,7 @@ __metadata:
     ts-dedent: "npm:^2.2.0"
     uuid: "npm:^9.0.0"
     web-worker: "npm:^1.2.0"
-  checksum: 10c0/034f326682e3e478e4bd85e418cfef00773db4432301b858247c8d4bf813e67fa1901e8548fc490eafe4c9c215c9fb96dead73007ff317ee99973cf4f63c8791
+  checksum: 10c0/5f60222b34f4d27f18575f95a428e80135f0bbb3c1aade8de65e8d6c30a4f28a22f0547fcdb01d9bfcad95715631e8dc84017b7dd297bbb292ff3465dc887a16
   languageName: node
   linkType: hard
 
@@ -5574,7 +5574,7 @@ __metadata:
     esbuild-plugin-prismjs: "npm:^1.0.8"
     esbuild-rails: "npm:^1.0.7"
     flatpickr: "npm:^4.6.13"
-    mermaid: "npm:^10.9.1"
+    mermaid: "npm:^10.9.3"
     postcss: "npm:^8.4.47"
     postcss-import: "npm:^16.1.0"
     prismjs: "npm:^1.29.0"