diff --git a/requirements.txt b/requirements.txt
index 4cc9b5e2d0251fe819d01cc2703b1aa3200a07d3..86fb6512867ffcbb02606ae192208e581f5ae098 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 autocorrect==2.1.0
+nlp-ws
 numpy==1.17.4