diff --git a/bin/fsevent_watch b/bin/fsevent_watch
index 889204f..9a834a2 100755
Binary files a/bin/fsevent_watch and b/bin/fsevent_watch differ
diff --git a/ext/fsevent_watch/defines.h b/ext/fsevent_watch/defines.h
index 6f6e87b..a8eae78 100644
--- a/ext/fsevent_watch/defines.h
+++ b/ext/fsevent_watch/defines.h
@@ -14,12 +14,8 @@
 #define COMPILER "unknown"
 #endif
 
-#if defined(__ppc__)
-#define TARGET_CPU "ppc"
-#elif defined(__ppc64__)
-#define TARGET_CPU "ppc64"
-#elif defined(__i386__)
-#define TARGET_CPU "i386"
+#if defined(__arm64__)
+#define TARGET_CPU "arm64"
 #elif defined(__x86_64__)
 #define TARGET_CPU "x86_64"
 #else
diff --git a/ext/rakefile.rb b/ext/rakefile.rb
index d7789bd..810c0ca 100644
--- a/ext/rakefile.rb
+++ b/ext/rakefile.rb
@@ -38,12 +38,16 @@
 
 $CCVersion = `#{$CC} --version | head -n 1`.strip
 
-
 CLEAN.include OBJ.map(&:to_s)
 CLEAN.include $obj_dir.join('Info.plist').to_s
 CLEAN.include $obj_dir.join('fsevent_watch').to_s
 CLOBBER.include $final_exe.to_s
 
+task :determine_arch_type do
+  return if ENV['ARCHFLAGS']
+  # replace archflags if we're on apple silicon
+  $ARCHFLAGS = '-arch arm64 -arch x86_64' if $arch == 'arm64'
+end
 
 task :sw_vers do
   $mac_product_version = `sw_vers -productVersion`.strip
@@ -84,22 +88,17 @@
   end
 end
 
-desc 'set build arch to ppc'
-task :ppc do
-  $ARCHFLAGS = '-arch ppc'
-end
-
 desc 'set build arch to x86_64'
 task :x86_64 do
   $ARCHFLAGS = '-arch x86_64'
 end
 
-desc 'set build arch to i386'
-task :x86 do
-  $ARCHFLAGS = '-arch i386'
+desc 'set build arch to arm64'
+task :arm64 do
+  $ARCHFLAGS = '-arch arm64'
 end
 
-task :setup_env => [:set_build_type, :sw_vers, :get_sdk_info]
+task :setup_env => [:set_build_type, :determine_arch_type, :sw_vers, :get_sdk_info]
 
 directory $obj_dir.to_s
 file $obj_dir.to_s => :setup_env
diff --git a/lib/rb-fsevent/version.rb b/lib/rb-fsevent/version.rb
index 0f4a54b..6b18bf3 100644
--- a/lib/rb-fsevent/version.rb
+++ b/lib/rb-fsevent/version.rb
@@ -1,5 +1,5 @@
 # -*- encoding: utf-8 -*-
 
 class FSEvent
-  VERSION = '0.10.4'
+  VERSION = '0.11.0'
 end