diff --git a/.changeset/forty-points-try.md b/.changeset/forty-points-try.md
new file mode 100644
index 000000000000..1dd3a7406284
--- /dev/null
+++ b/.changeset/forty-points-try.md
@@ -0,0 +1,5 @@
+---
+"@sveltejs/kit": patch
+---
+
+Updated undici to fix #5383
diff --git a/.changeset/pre.json b/.changeset/pre.json
index 3734d46577c2..fd657f0ef21f 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -257,6 +257,7 @@
     "forty-cycles-punch",
     "forty-lions-give",
     "forty-months-prove",
+    "forty-points-try",
     "forty-seahorses-rest",
     "forty-terms-peel",
     "forty-worms-deliver",
diff --git a/packages/kit/CHANGELOG.md b/packages/kit/CHANGELOG.md
index b8427862b8e2..680a30fd8dd3 100644
--- a/packages/kit/CHANGELOG.md
+++ b/packages/kit/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @sveltejs/kit
 
+## 1.0.0-next.362
+
+### Patch Changes
+
+- Updated undici to fix #5383 ([#5420](https://github.com/sveltejs/kit/pull/5420))
+
 ## 1.0.0-next.361
 
 ### Patch Changes
diff --git a/packages/kit/package.json b/packages/kit/package.json
index 9f8351d52c0c..3fa6ae933465 100644
--- a/packages/kit/package.json
+++ b/packages/kit/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@sveltejs/kit",
-	"version": "1.0.0-next.361",
+	"version": "1.0.0-next.362",
 	"repository": {
 		"type": "git",
 		"url": "https://github.com/sveltejs/kit",
@@ -44,7 +44,7 @@
 		"svelte2tsx": "~0.5.10",
 		"tiny-glob": "^0.2.9",
 		"typescript": "^4.7.4",
-		"undici": "^5.6.0",
+		"undici": "^5.6.1",
 		"uvu": "^0.5.3",
 		"vite": "^2.9.13"
 	},
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b241f926e3d9..1095b807c3bd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -314,7 +314,7 @@ importers:
       svelte2tsx: ~0.5.10
       tiny-glob: ^0.2.9
       typescript: ^4.7.4
-      undici: ^5.6.0
+      undici: ^5.6.1
       uvu: ^0.5.3
       vite: ^2.9.13
     dependencies:
@@ -351,7 +351,7 @@ importers:
       svelte2tsx: 0.5.11_lvfi2wesz6u4l5rfbnetbucfmm
       tiny-glob: 0.2.9
       typescript: 4.7.4
-      undici: 5.6.0
+      undici: 5.6.1
       uvu: 0.5.4
       vite: 2.9.13
 
@@ -5142,8 +5142,8 @@ packages:
       which-boxed-primitive: 1.0.2
     dev: true
 
-  /undici/5.6.0:
-    resolution: {integrity: sha512-mc+8SY1fXubTrdx4CXDkeFFGV8lI3Tq4I/70U1V8Z6g4iscGII0uLO7CPnDt56bXEbvaKwo2T2+VrteWbZiXiQ==}
+  /undici/5.6.1:
+    resolution: {integrity: sha512-yYVqywdCbNb99f/w045wqmv++WExXDjY0FEvLSB7QUZZH6izxrVkF4dJn1aimcvN0+WAhv75Gg7v6VJoqmRtJQ==}
     engines: {node: '>=12.18'}
     dev: true