diff --git a/requirements.txt b/requirements.txt
index cdc19be598d807d7a428c9c6bee90d009ee9aae4..fb6c7ed7ec60dafcf523d2e12daa17abc92ae384 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1 @@
-pythainlp==2.3.1
 pandas
diff --git a/s5/local/prepare_cv.py b/s5/local/prepare_cv.py
index 13966e87ab381c3cb8393481ff6676aee5b24106..3959e6805299fc98c00c0b99ddc2d50958637e7f 100755
--- a/s5/local/prepare_cv.py
+++ b/s5/local/prepare_cv.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3.5
+#!/usr/bin/env python3
 
 import os
 import re