diff --git a/requirements.txt b/requirements.txt
index 4c48e17..c5b7bc0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.8.0
+numpy==1.21.0
 nltk==2.0.5
 scipy==0.13.2
 scikit-learn==0.15.2
diff --git a/setup.py b/setup.py
index ab423ea..5068344 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,7 @@ def read(filename):
         'Programming Language :: Python'
     ],
     install_requires=[
-        'numpy==1.8.0',
+        'numpy==1.21.0',
         'nltk==2.0.5',
         'scipy==0.13.2',
         'scikit-learn==0.15.2',