diff --git a/requirements.txt b/requirements.txt
index d67ce05..4d41654 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ JPype1==0.6.3
 konlpy==0.5.1
 ktkws==1.0.1
 MarkupSafe==1.1.1
-numpy==1.16.2
+numpy==1.22.0
 protobuf==3.7.0
 PyAudio==0.2.11
 PyYAML==5.1