diff --git a/README.md b/README.md
index 4c912b9..aa2adac 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # CSC110
- CSC110 Assignments @ UTSG
+CSC110 Assignments @ UTSG
+
+All scripts in this project are written in Python 3.9.9  
+(And some of them are in Python 3.10.1)
 
 Fun stuff are [here](/misc)
diff --git a/requirements.txt b/requirements.txt
index 1383479..4133d8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,21 +1,17 @@
 # CSC110Y1F: Python libraries we'll be using this semester.
 
 # Testing and code checking
-hypothesis~=6.21.5
+hypothesis~=6.31.6
 pytest~=6.2.5
 python-ta
 
-# Graphics and data visualization
-plotly~=5.3.1
-pygame
-
-requests~=2.21.0
+requests~=2.26.0
 
 json5~=0.9.6
 schedule~=1.1.0
 beautifulsoup4~=4.10.0
 future~=0.18.2
-Pillow~=8.2.0
+Pillow~=8.4.0
 numpy~=1.21.4
 matplotlib~=3.5.1
 tweepy~=4.4.0