diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6008d8f..ff29b2d 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -12,7 +12,7 @@ jeepney==0.4.1
 keyring==19.3.0
 more-itertools==8.0.2
 nltk==3.4.5
-numpy==1.17.4
+numpy==1.22.0
 packaging==19.2
 pandas==0.25.3
 PatternLite==3.6