diff --git a/src/java/com/threerings/media/tile/bundle/tools/TileSetBundler.java b/src/java/com/threerings/media/tile/bundle/tools/TileSetBundler.java
index 70ec79b1..8cc5e550 100644
--- a/src/java/com/threerings/media/tile/bundle/tools/TileSetBundler.java
+++ b/src/java/com/threerings/media/tile/bundle/tools/TileSetBundler.java
@@ -38,7 +38,7 @@ import java.util.zip.Deflater;
 import javax.imageio.ImageIO;
 
 import org.apache.commons.digester.Digester;
-import org.apache.commons.io.CopyUtils;
+import org.apache.commons.io.IOUtils;
 import org.xml.sax.SAXException;
 
 import com.samskivert.io.PersistenceException;
@@ -417,7 +417,7 @@ public class TileSetBundler
                         } else {
                             jar.putNextEntry(new JarEntry(imagePath));
                             FileInputStream imgin = new FileInputStream(ifile);
-                            CopyUtils.copy(imgin, jar);
+                            IOUtils.copy(imgin, jar);
                         }
                     } catch (Exception e) {
                         String msg = "Failure bundling image " + ifile +
diff --git a/src/java/com/threerings/resource/ResourceBundle.java b/src/java/com/threerings/resource/ResourceBundle.java
index b1133d1f..a3f41803 100644
--- a/src/java/com/threerings/resource/ResourceBundle.java
+++ b/src/java/com/threerings/resource/ResourceBundle.java
@@ -34,7 +34,7 @@ import java.util.jar.JarFile;
 import com.samskivert.util.FileUtil;
 import com.samskivert.util.StringUtil;
 
-import org.apache.commons.io.CopyUtils;
+import org.apache.commons.io.IOUtils;
 
 /**
  * A resource bundle provides access to the resources in a jar file.
@@ -254,7 +254,7 @@ public class ResourceBundle
         BufferedOutputStream fout =
             new BufferedOutputStream(new FileOutputStream(tfile));
         InputStream jin = _jarSource.getInputStream(entry);
-        CopyUtils.copy(jin, fout);
+        IOUtils.copy(jin, fout);
         jin.close();
         fout.close();