diff --git a/package.json b/package.json
index b700f7ee337..5fead54fdca 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@docusaurus/core": "2.4.3",
     "@docusaurus/plugin-google-gtag": "2.4.3",
     "@docusaurus/preset-classic": "2.4.3",
-    "@docusaurus/theme-mermaid": "^2.4.3",
+    "@docusaurus/theme-mermaid": "2.4.3",
     "@mdx-js/react": "^1.6.21",
     "clsx": "^1.1.1",
     "compare-versions": "^5.0.1",