diff --git a/requirements.txt b/requirements.txt
index 124346a..a903357 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ networkx==2.1
 nltk==3.3.0
 numpy==1.15.1
 pandas==0.23.4
-pip==19.2
+pip==21.1
 scikit-image==0.14.0
 scikit-learn==0.19.2
 scipy==1.1.0