diff --git a/src/codechicken/core/asm/DelegatedTransformer.java b/src/codechicken/core/asm/DelegatedTransformer.java
index c212469..e1b4336 100644
--- a/src/codechicken/core/asm/DelegatedTransformer.java
+++ b/src/codechicken/core/asm/DelegatedTransformer.java
@@ -101,7 +101,7 @@ public class DelegatedTransformer implements IClassTransformer
     private static void defineDependancies(byte[] bytes, JarFile jar, File jarFile, Stack<String> depStack) throws Exception
     {
         ClassReader reader = new ClassReader(bytes);
-        DependancyLister lister = new DependancyLister(Opcodes.ASM4);
+        DependancyLister lister = new DependancyLister(Opcodes.ASM5);
         reader.accept(lister, 0);
         
         depStack.push(reader.getClassName());
diff --git a/src/codechicken/core/asm/DependancyLister.java b/src/codechicken/core/asm/DependancyLister.java
index a732bbf..9f2d1c9 100644
--- a/src/codechicken/core/asm/DependancyLister.java
+++ b/src/codechicken/core/asm/DependancyLister.java
@@ -76,7 +76,7 @@ public class DependancyLister extends ClassVisitor
     public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions)
     {
         dependDesc(desc);
-        return new DependancyMethodLister(Opcodes.ASM4);
+        return new DependancyMethodLister(Opcodes.ASM5);
     }
     
     @Override
diff --git a/src/codechicken/core/asm/MethodASMifier.java b/src/codechicken/core/asm/MethodASMifier.java
index 8a40d79..12d61bb 100644
--- a/src/codechicken/core/asm/MethodASMifier.java
+++ b/src/codechicken/core/asm/MethodASMifier.java
@@ -22,7 +22,7 @@ public class MethodASMifier extends ClassVisitor
     Printer asmifier;
 
     public MethodASMifier(ObfMapping method, Printer printer, PrintWriter printWriter) {
-        super(ASM4);
+        super(ASM5);
         this.method = method;
         this.printWriter = printWriter;
         asmifier = printer;