diff --git a/setup.py b/setup.py
index 0405b6c16..881b06deb 100644
--- a/setup.py
+++ b/setup.py
@@ -54,8 +54,8 @@ def determine_opencc_version():
 
     # determine opencc version
     if gcc_version:
-        if int(gcc_version.split(".")[0]) < 8:
-            return "opencc==1.1.6"  # GCC<8 need opencc==1.1.6
+        if int(gcc_version.split(".")[0]) < 9:
+            return "opencc==1.1.6"  # GCC<9 need opencc==1.1.6
     return "opencc"  # default