diff --git a/.changeset/unlucky-cameras-compete.md b/.changeset/unlucky-cameras-compete.md
deleted file mode 100644
index bd0177a..0000000
--- a/.changeset/unlucky-cameras-compete.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"astro-sst": patch
----
-
-chore: update astro deprecation
diff --git a/.changeset/wet-bobcats-cover.md b/.changeset/wet-bobcats-cover.md
deleted file mode 100644
index 5b19ed6..0000000
--- a/.changeset/wet-bobcats-cover.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"astro-sst": patch
----
-
-feat: allow hybrid output
diff --git a/packages/astro-sst/CHANGELOG.md b/packages/astro-sst/CHANGELOG.md
index d7bf37a..848ad7c 100644
--- a/packages/astro-sst/CHANGELOG.md
+++ b/packages/astro-sst/CHANGELOG.md
@@ -1,5 +1,12 @@
 # astro-sst
 
+## 3.1.4
+
+### Patch Changes
+
+- a934623: chore: update astro deprecation
+- bf4694f: feat: allow hybrid output
+
 ## 3.1.3
 
 ### Patch Changes
diff --git a/packages/astro-sst/package.json b/packages/astro-sst/package.json
index b262eb4..274ab59 100644
--- a/packages/astro-sst/package.json
+++ b/packages/astro-sst/package.json
@@ -1,7 +1,7 @@
 {
   "name": "astro-sst",
   "description": "Adapter that allows Astro to deploy your site to AWS utilizing SST.",
-  "version": "3.1.3",
+  "version": "3.1.4",
   "type": "module",
   "license": "MIT",
   "author": {
diff --git a/packages/astro-sst/src/lib/event-mapper.ts b/packages/astro-sst/src/lib/event-mapper.ts
index 7f20ce9..62a9d1f 100644
--- a/packages/astro-sst/src/lib/event-mapper.ts
+++ b/packages/astro-sst/src/lib/event-mapper.ts
@@ -252,10 +252,9 @@ function convertToApigV2StreamingResult({
   const metadata = {
     statusCode,
     headers,
+    cookies: cookies.length > 0 ? stringifyCookies(cookies) : undefined,
   };
-  if (cookies.length > 0) {
-    metadata.headers["set-cookie"] = stringifyCookies(cookies).join(", ");
-  }
+
   responseStream = awslambda.HttpResponseStream.from(responseStream, metadata);
 
   if (!body) {