diff --git a/src/ImageSharp/Formats/Png/PngDecoderCore.cs b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
index 05ce8d92e4..12770bc521 100644
--- a/src/ImageSharp/Formats/Png/PngDecoderCore.cs
+++ b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
@@ -1367,6 +1367,7 @@ namespace SixLabors.ImageSharp.Formats.Png
             {
                 if (chunk.Type == PngChunkType.Data)
                 {
+                    chunk.Data?.Dispose();
                     return chunk.Length;
                 }