diff --git a/CHANGELOG.md b/CHANGELOG.md
index 001a270..54c6d17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ Format: [Keep a Changelog](https://keepachangelog.com/en/1.1.0/); versioning: [S
 
 ## [Unreleased]
 
-## [0.5.1] — 2026-09-29
+## [0.5.2] — 2026-09-29
 
 ### Added
 - PNG IHDR read parity: `Filter` and `Interlace` with reference PrintConv
diff --git a/jsr.json b/jsr.json
index 14e8365..d798335 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@woss/exiftool",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "license": "MIT",
   "exports": {
     ".": "./mod.ts"
diff --git a/package.json b/package.json
index f442adf..1f86027 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@woss/exiftool",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "ExifTool rewrite in TypeScript",
   "license": "MIT",
   "type": "module",
diff --git a/src/format/png.test.ts b/src/format/png.test.ts
index b645d9e..bbef987 100644
--- a/src/format/png.test.ts
+++ b/src/format/png.test.ts
@@ -139,6 +139,12 @@ test('png zTXt inflates to bare keyword tag', async () => {
   assertEquals(result.tags['Comment'], 'hello compressed');
 });
 
+test('png zTXt with malformed deflate stream is skipped', async () => {
+  const payload = concat(encoder.encode('Comment\0'), new Uint8Array([0]), new Uint8Array([1, 2, 3, 4, 5]));
+  const result = await pngParser.parse(png(chunk('zTXt', payload), chunk('IEND', new Uint8Array(0))), 'ztxt-bad.png');
+  assertEquals(result.tags['Comment'], undefined);
+});
+
 test('png iTXt uncompressed text extracted', async () => {
   const payload = concat(
     encoder.encode('Comment\0'),