diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bbf9fb..e89e509 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,19 +9,16 @@ message("buile type: " ${CMAKE_BUILD_TYPE})
 
 if(UNIX)
   message("compile for unix-like OS, include OS X and Cygwin")
-  add_compile_options(-fPIC)
+  add_compile_options(-Wall -fPIC -fno-strict-aliasing)
   if(NOT CMAKE_BUILD_TYPE)
     message("not defined CMAKE_BUILD_TYPE, use -O2")
-    add_compile_options(-O2 -Wall)
+    add_compile_options(-O2)
   endif()
-  add_compile_options(-g)
 elseif(MSVC)
   message("compile with MSVC")
   add_compile_options(/utf-8 /NODEFAULTLIB:library)
 else()
-  add_compile_options(-fPIC)
-  add_compile_options(-Wall)
-  add_compile_options(-g)
+  add_compile_options(-Wall -fPIC -fno-strict-aliasing)
 endif()
 
 set(CMAKE_C_STANDARD 11)
diff --git a/actrie/__init__.py b/actrie/__init__.py
index 04663e6..a2f38b2 100644
--- a/actrie/__init__.py
+++ b/actrie/__init__.py
@@ -5,4 +5,4 @@
 
 __all__ = ['Matcher', 'Context', 'PrefixMatcher']
 
-__version__ = '3.0.8'
+__version__ = '3.0.9'
diff --git a/deps/alib b/deps/alib
index 93c24b1..e247643 160000
--- a/deps/alib
+++ b/deps/alib
@@ -1 +1 @@
-Subproject commit 93c24b1d73c87b42f71228008512a6c9bf81f482
+Subproject commit e247643a38419605e1834e6c35f2c45b6dec2df7