diff --git a/.changeset/slick-badgers-wear.md b/.changeset/slick-badgers-wear.md
new file mode 100644
index 000000000..9646ec800
--- /dev/null
+++ b/.changeset/slick-badgers-wear.md
@@ -0,0 +1,5 @@
+---
+"@solidjs/start": patch
+---
+
+update seroval to 1.5.4
diff --git a/packages/start/package.json b/packages/start/package.json
index 6fc06bcc4..24b022bb9 100644
--- a/packages/start/package.json
+++ b/packages/start/package.json
@@ -55,7 +55,7 @@
     "path-to-regexp": "^8.3.0",
     "pathe": "^2.0.3",
     "radix3": "^1.1.2",
-    "seroval": "^1.5.1",
+    "seroval": "^1.5.4",
     "seroval-plugins": "^1.5.1",
     "shiki": "^1.29.2",
     "solid-js": "^1.9.11",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 605007214..7af023e1d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -354,11 +354,11 @@ importers:
         specifier: ^1.1.2
         version: 1.1.2
       seroval:
-        specifier: ^1.5.1
-        version: 1.5.1
+        specifier: ^1.5.4
+        version: 1.5.4
       seroval-plugins:
         specifier: ^1.5.1
-        version: 1.5.1(seroval@1.5.1)
+        version: 1.5.1(seroval@1.5.4)
       shiki:
         specifier: ^1.29.2
         version: 1.29.2
@@ -3544,6 +3544,10 @@ packages:
     resolution: {integrity: sha512-OwrZRZAfhHww0WEnKHDY8OM0U/Qs8OTfIDWhUD4BLpNJUfXK4cGmjiagGze086m+mhI+V2nD0gfbHEnJjb9STA==}
     engines: {node: '>=10'}
 
+  seroval@1.5.4:
+    resolution: {integrity: sha512-46uFvgrXTVxZcUorgSSRZ4y+ieqLLQRMlG4bnCZKW3qI6BZm7Rg4ntMW4p1mILEEBZWrFlcpp0AyIIlM6jD9iw==}
+    engines: {node: '>=10'}
+
   serve-placeholder@2.0.2:
     resolution: {integrity: sha512-/TMG8SboeiQbZJWRlfTCqMs2DD3SZgWp0kDQePz9yUuCnDfDh/92gf7/PxGhzXTKBIPASIHxFcZndoNbp6QOLQ==}
 
@@ -7435,8 +7439,14 @@ snapshots:
     dependencies:
       seroval: 1.5.1
 
+  seroval-plugins@1.5.1(seroval@1.5.4):
+    dependencies:
+      seroval: 1.5.4
+
   seroval@1.5.1: {}
 
+  seroval@1.5.4: {}
+
   serve-placeholder@2.0.2:
     dependencies:
       defu: 6.1.4