diff --git a/Makefile.common b/Makefile.common
index cc26f7d..6fb34f8 100755
--- a/Makefile.common
+++ b/Makefile.common
@@ -71,14 +71,14 @@ Linux-amd64_SNAPPY_FLAGS  :=
 
 Mac-i386_CXX       := g++ -arch $(OS_ARCH) 
 Mac-i386_STRIP     := strip -x
-Mac-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC -mmacosx-version-min=10.4
+Mac-i386_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC -mmacosx-version-min=10.4 -fvisibility=hidden
 Mac-i386_LINKFLAGS := -dynamiclib -static-libgcc
 Mac-i386_LIBNAME   := libsnappyjava.jnilib
 Mac-i386_SNAPPY_FLAGS  :=
 
 Mac-x86_64_CXX       := g++ -arch $(OS_ARCH) 
 Mac-x86_64_STRIP     := strip -x
-Mac-x86_64_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC -mmacosx-version-min=10.5
+Mac-x86_64_CXXFLAGS  := -I$(JAVA_HOME)/include -O2 -fPIC -mmacosx-version-min=10.5 -fvisibility=hidden
 Mac-x86_64_LINKFLAGS := -dynamiclib -static-libgcc 
 Mac-x86_64_LIBNAME   := libsnappyjava.jnilib 
 Mac-x86_64_SNAPPY_FLAGS  := 
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 4cd57f1..932a893 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