diff --git a/Makefile b/Makefile
index c4ba514..11173c0 100644
--- a/Makefile
+++ b/Makefile
@@ -26,9 +26,11 @@ $(SNAPPY_UNPACKED): $(SNAPPY_ARCHIVE)
 
 jni-header: $(SRC)/org/xerial/snappy/SnappyNative.h
 
-
-$(SRC)/org/xerial/snappy/SnappyNative.h: $(SRC)/org/xerial/snappy/SnappyNative.java
+$(TARGET)/classes/org/xerial/snappy/SnappyNative.class : $(SRC)/org/xerial/snappy/SnappyNative.java
 	@mkdir -p $(TARGET)/classes
+	$(JAVAC) -source 1.6 -target 1.6 -d $(TARGET)/classes -sourcepath $(SRC) $< 
+
+$(SRC)/org/xerial/snappy/SnappyNative.h: $(TARGET)/classes/org/xerial/snappy/SnappyNative.class
 	$(JAVAH) -classpath $(TARGET)/classes -o $@ org.xerial.snappy.SnappyNative
 
 bytecode: src/main/resources/org/xerial/snappy/SnappyNativeLoader.bytecode
diff --git a/src/main/resources/org/xerial/snappy/native/Mac/x86_64/libsnappyjava.jnilib b/src/main/resources/org/xerial/snappy/native/Mac/x86_64/libsnappyjava.jnilib
index 75f3e69..392e03b 100755
Binary files a/src/main/resources/org/xerial/snappy/native/Mac/x86_64/libsnappyjava.jnilib and b/src/main/resources/org/xerial/snappy/native/Mac/x86_64/libsnappyjava.jnilib differ