diff --git a/requirements.txt b/requirements.txt
index 6cd89cd..9d2328b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,8 @@
-nltk==3.6.6
+nltk==3.8.2
 numpy==1.21.4
 prettytable==2.4.0
 pyttsx3==2.90
 SpeechRecognition==3.8.1
 termcolor==1.1.0
-torch==1.10.0
\ No newline at end of file
+torch==2.2.0
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file