diff --git a/Ch10/ch10-requirements.txt b/Ch10/ch10-requirements.txt
index b684bd8..0da58f6 100644
--- a/Ch10/ch10-requirements.txt
+++ b/Ch10/ch10-requirements.txt
@@ -10,7 +10,7 @@ keras==2.5.0
 scikit-learn==0.21.3
 tqdm==4.41.1
 matplotlib==3.2.2
-numpy==1.19.5
+numpy==1.22.0
 nltk==3.5
 lexnlp==1.8.0
 textract==1.6.3
diff --git a/Ch2/ch2-requirements.txt b/Ch2/ch2-requirements.txt
index 520709c..8fafd40 100644
--- a/Ch2/ch2-requirements.txt
+++ b/Ch2/ch2-requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19.5
+numpy==1.22.0
 pandas==1.1.5
 beautifulsoup4==4.6.3
 pytesseract==0.3.7
diff --git a/Ch3/ch3-requirements.txt b/Ch3/ch3-requirements.txt
index c7fa353..f2df6ce 100644
--- a/Ch3/ch3-requirements.txt
+++ b/Ch3/ch3-requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19.5
+numpy==1.22.0
 pandas==1.1.5
 scikit-learn==0.21.3
 wget==3.2
diff --git a/Ch4/ch4-requirements.txt b/Ch4/ch4-requirements.txt
index ae20396..ad72d54 100644
--- a/Ch4/ch4-requirements.txt
+++ b/Ch4/ch4-requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19.5
+numpy==1.22.0
 pandas==1.1.5
 scikit-learn==0.23.2
 nltk==3.5
diff --git a/requirements.txt b/requirements.txt
index bf8af3c..f0994f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -90,7 +90,7 @@ neuralcoref==4.0
 nltk==3.5
 notebook==6.0.3
 numexpr==2.7.1
-numpy==1.19.0
+numpy==1.22.0
 nvidia-ml-py3==7.352.0
 oauthlib==3.1.0
 opt-einsum==3.2.1