diff --git a/package.json b/package.json
index e4d1b26..c7ed106 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "esbuild": "^0.27.3",
-    "happo": "6.3.4",
+    "happo": "6.3.6",
     "prettier": "3.8.1",
     "release-with-ease": "^2.0.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d81b901..82259a6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -34,8 +34,8 @@ importers:
         specifier: ^0.27.3
         version: 0.27.3
       happo:
-        specifier: 6.3.4
-        version: 6.3.4
+        specifier: 6.3.6
+        version: 6.3.6
       prettier:
         specifier: 3.8.1
         version: 3.8.1
@@ -3122,8 +3122,8 @@ packages:
   handle-thing@2.0.1:
     resolution: {integrity: sha512-9Qn4yBxelxoh2Ow62nP+Ka/kMnOXRi8BXnRaUwezLNhqelnN49xKz4F/dPP8OYLxLxq6JDtZb2i9XznUQbNPTg==}
 
-  happo@6.3.4:
-    resolution: {integrity: sha512-2+QxIbJ5VFoBqlH1T9gt/VKPlw0XeXvjiJIjq0DUAxpPvJu04iYns6Pc3yeZ9qDqKEcYAfpGjaEgj35+JvVFbw==}
+  happo@6.3.6:
+    resolution: {integrity: sha512-a1m3LLKnKyJfw+IqL1UONpljyhTa73bUkh8szwLKpqgOeJVn3ghkN+vnVQjgMzh4RSoNOy+LpLLUuHJl/1f93w==}
     engines: {node: ^22.18.0 || ^23.6.0 || >=24.0.0}
     hasBin: true
 
@@ -9479,7 +9479,7 @@ snapshots:
 
   handle-thing@2.0.1: {}
 
-  happo@6.3.4:
+  happo@6.3.6:
     dependencies:
       async-retry: 1.3.3
       base64-stream: 1.0.0