diff --git a/protocol/src/main/java/net/runelite/protocol/update/decoders/ArchiveResponseDecoder.java b/protocol/src/main/java/net/runelite/protocol/update/decoders/ArchiveResponseDecoder.java
index cf08e2e61d..2c12a42264 100644
--- a/protocol/src/main/java/net/runelite/protocol/update/decoders/ArchiveResponseDecoder.java
+++ b/protocol/src/main/java/net/runelite/protocol/update/decoders/ArchiveResponseDecoder.java
@@ -91,7 +91,9 @@ public class ArchiveResponseDecoder extends ByteToMessageDecoder
 				bytesInBlock,
 				compressedData.writerIndex(), size);
 
-			compressedData.writeBytes(in.readBytes(bytesToRead));
+			ByteBuf chunk = in.readBytes(bytesToRead);
+			compressedData.writeBytes(chunk);
+			chunk.release();
 
 			totalRead += bytesToRead;