diff --git a/requirements.txt b/requirements.txt
index 6920ffe..ebcbc3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ tensorflow==1.11.0
 ipython==7.4.0
 TurkishStemmer==1.3
 gtts==2.0.3
-nltk==3.4.1
+nltk==3.4.5
 pygame
 tensorlayer==1.11.1
 pydub