diff --git a/.changeset/witty-rabbits-hunt.md b/.changeset/witty-rabbits-hunt.md
new file mode 100644
index 0000000000..3817bb9286
--- /dev/null
+++ b/.changeset/witty-rabbits-hunt.md
@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+Ban DOMPurify v3.1.7 as a dependency
diff --git a/packages/mermaid/package.json b/packages/mermaid/package.json
index 2469af2ff8..9c0756b81f 100644
--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -77,7 +77,7 @@
     "d3-sankey": "^0.12.3",
     "dagre-d3-es": "7.0.10",
     "dayjs": "^1.11.10",
-    "dompurify": "^3.0.11",
+    "dompurify": "^3.0.11 <3.1.7",
     "katex": "^0.16.9",
     "khroma": "^2.1.0",
     "lodash-es": "^4.17.21",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b23b384b61..b80fb5d8d9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -237,7 +237,7 @@ importers:
         specifier: ^1.11.10
         version: 1.11.13
       dompurify:
-        specifier: ^3.0.11
+        specifier: ^3.0.11 <3.1.7
         version: 3.1.6
       katex:
         specifier: ^0.16.9