diff --git a/setup.py b/setup.py
index 10a6502c2..030f7f880 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@ base = [
     "matplotlib",
     "nara_wpe",
     "onnxruntime>=1.11.0",
-    "opencc",
+    "opencc==1.1.6",
     "opencc-python-reimplemented",
     "pandas",
     "paddleaudio>=1.1.0",