diff --git a/package.json b/package.json
index 64dcf50..0ebe022 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "markdown-to-jsx": "7.1.9",
     "preact": "10.13.1",
     "preact-cli-plugin-netlify": "1.6.0",
-    "preact-render-to-string": "5.2.6",
+    "preact-render-to-string": "6.3.0",
     "preact-router": "4.1.0",
     "parse-md": "3.0.3"
   },
diff --git a/yarn.lock b/yarn.lock
index 8ab1d7a..6e873a0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9292,10 +9292,10 @@ preact-render-spy@1.3.0:
     object.entries "^1.0.4"
     preact-render-to-string "^3.6.3"
 
-preact-render-to-string@5.2.6:
-  version "5.2.6"
-  resolved "https://registry.yarnpkg.com/preact-render-to-string/-/preact-render-to-string-5.2.6.tgz#0ff0c86cd118d30affb825193f18e92bd59d0604"
-  integrity sha512-JyhErpYOvBV1hEPwIxc/fHWXPfnEGdRKxc8gFdAZ7XV4tlzyzG847XAyEZqoDnynP88akM4eaHcSOzNcLWFguw==
+preact-render-to-string@6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/preact-render-to-string/-/preact-render-to-string-6.3.0.tgz#e39a686a5ae2905778f92cc51049852e8c050d7f"
+  integrity sha512-7t5Zd8PUPeTt0+e/S16ffJBLM8+ZDsvYrt71sbMquKND/5NWtHOSZdURCvfYFyNwbXJOlWMuEjk3qzmdIFdebw==
   dependencies:
     pretty-format "^3.8.0"