diff --git a/package-lock.json b/package-lock.json
index 30abee5..33761db 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1612,9 +1612,9 @@
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     },
     "preact-render-to-string": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-4.1.0.tgz",
-      "integrity": "sha512-FlFBJRxo8z4cp6VsDmeYjIEx4ZK2clFJnKIvIj8K1IQCRm7ZgJ/SZ1+BotT86/Nc+V1pNtFabHoUi6gpjx5Pug==",
+      "version": "5.2.6",
+      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-5.2.6.tgz",
+      "integrity": "sha512-JyhErpYOvBV1hEPwIxc/fHWXPfnEGdRKxc8gFdAZ7XV4tlzyzG847XAyEZqoDnynP88akM4eaHcSOzNcLWFguw==",
       "requires": {
         "pretty-format": "^3.8.0"
       }
@@ -1627,7 +1627,7 @@
     "pretty-format": {
       "version": "3.8.0",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-3.8.0.tgz",
-      "integrity": "sha1-v77VbV6ad2ZF9LH/eqGjrE+jw4U="
+      "integrity": "sha512-WuxUnVtlWL1OfZFQFuqvnvs6MiAGk9UNsBostyBOB0Is9wb5uRESevA6rnl/rkksXaGX3GzZhPup5d6Vp1nFew=="
     },
     "pretty-ms": {
       "version": "2.1.0",
diff --git a/package.json b/package.json
index 9f7d9eb..9132144 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "@begin/data": "^3.0.4",
     "esm": "^3.2.25",
     "preact": "~10.7.2",
-    "preact-render-to-string": "~4.1.0",
+    "preact-render-to-string": "~5.2.6",
     "rollup": "^2.72.1",
     "tap-spec": "^5.0.0",
     "tape": "^5.5.3"