diff --git a/src/compression_engine/gzip.rs b/src/compression_engine/gzip.rs
index c931b58..b3ef4d0 100644
--- a/src/compression_engine/gzip.rs
+++ b/src/compression_engine/gzip.rs
@@ -57,6 +57,10 @@ impl CompressionEngine for CompressionEngineGZip {
 
         Ok(Box::new(AutoFinishGzEncoder::new(gzip_write)))
     }
+
+    fn clone_box(&self) -> Box<dyn CompressionEngine> {
+        Box::new(self.clone())
+    }
 }
 
 #[cfg(feature = "gzip")]
diff --git a/src/compression_engine/lz4.rs b/src/compression_engine/lz4.rs
index 1d61517..f08e397 100644
--- a/src/compression_engine/lz4.rs
+++ b/src/compression_engine/lz4.rs
@@ -34,4 +34,8 @@ impl CompressionEngine for CompressionEngineLZ4 {
 
         Ok(Box::new(lz4_write))
     }
+
+    fn clone_box(&self) -> Box<dyn CompressionEngine> {
+        Box::new(self.clone())
+    }
 }