diff --git a/tools/locked_region_code_injection/Android.mk b/tools/locked_region_code_injection/Android.mk
index 77d5163..bb5f4d6 100644
--- a/tools/locked_region_code_injection/Android.mk
+++ b/tools/locked_region_code_injection/Android.mk
@@ -6,10 +6,10 @@
 LOCAL_MODULE := lockedregioncodeinjection
 LOCAL_SRC_FILES := $(call all-java-files-under,src)
 LOCAL_STATIC_JAVA_LIBRARIES := \
-    asm-5.2 \
-    asm-commons-5.2 \
-    asm-tree-5.2 \
-    asm-analysis-5.2 \
+    asm-6.0_BETA \
+    asm-commons-6.0_BETA \
+    asm-tree-6.0_BETA \
+    asm-analysis-6.0_BETA \
     guava-21.0 \
 
 include $(BUILD_HOST_JAVA_LIBRARY)
diff --git a/tools/locked_region_code_injection/src/lockedregioncodeinjection/LockFindingClassVisitor.java b/tools/locked_region_code_injection/src/lockedregioncodeinjection/LockFindingClassVisitor.java
index 99ef8a7..a60f2a2 100644
--- a/tools/locked_region_code_injection/src/lockedregioncodeinjection/LockFindingClassVisitor.java
+++ b/tools/locked_region_code_injection/src/lockedregioncodeinjection/LockFindingClassVisitor.java
@@ -76,7 +76,7 @@
         private MethodVisitor chain;
 
         public LockFindingMethodVisitor(String owner, MethodNode mn, MethodVisitor chain) {
-            super(Opcodes.ASM5, mn);
+            super(Opcodes.ASM6, mn);
             assert owner != null;
             this.owner = owner;
             this.chain = chain;
diff --git a/tools/locked_region_code_injection/test/lockedregioncodeinjection/TestMain.java b/tools/locked_region_code_injection/test/lockedregioncodeinjection/TestMain.java
index b86954d..c408b9e 100644
--- a/tools/locked_region_code_injection/test/lockedregioncodeinjection/TestMain.java
+++ b/tools/locked_region_code_injection/test/lockedregioncodeinjection/TestMain.java
@@ -23,11 +23,14 @@
  * <code>
  * set -x
  *
+ * croot frameworks/base/tools/locked_region_code_injection
+ *
  * # Clean
+ * mkdir -p out
  * rm -fr out/*
  *
  * # Make booster
- * javac -cp lib/asm-all-5.2.jar src&#47;*&#47;*.java -d out/
+ * javac -cp lib/asm-6.0_BETA.jar:lib/asm-commons-6.0_BETA.jar:lib/asm-tree-6.0_BETA.jar:lib/asm-analysis-6.0_BETA.jar:lib/guava-21.0.jar src&#47;*&#47;*.java -d out/
  * pushd out
  * jar cfe lockedregioncodeinjection.jar lockedregioncodeinjection.Main *&#47;*.class
  * popd
@@ -40,7 +43,7 @@
  * popd
  *
  * # Run tool on unit tests.
- * java -ea -cp lib/asm-all-5.2.jar:out/lockedregioncodeinjection.jar \
+ * java -ea -cp lib/asm-6.0_BETA.jar:lib/asm-commons-6.0_BETA.jar:lib/asm-tree-6.0_BETA.jar:lib/asm-analysis-6.0_BETA.jar:lib/guava-21.0.jar:out/lockedregioncodeinjection.jar \
  *     lockedregioncodeinjection.Main \
  *     -i out/test_input.jar -o out/test_output.jar \
  *     --targets 'Llockedregioncodeinjection/TestTarget;' \