diff --git a/Dockerfile.cpu b/Dockerfile.cpu
index 77bba29..92e902a 100644
--- a/Dockerfile.cpu
+++ b/Dockerfile.cpu
@@ -18,5 +18,6 @@ ENV PYTHONUNBUFFERED=1
 
 ADD https://raw.githubusercontent.com/McCloudS/subgen/main/launcher.py /subgen/launcher.py
 ADD https://raw.githubusercontent.com/McCloudS/subgen/main/subgen.py /subgen/subgen.py
+ADD https://raw.githubusercontent.com/McCloudS/subgen/main/language_code.py /subgen/language_code.py
 
 CMD [ "bash", "-c", "python3 -u launcher.py" ]