diff --git a/requirements.txt b/requirements.txt
index 65e8c6f..a06a1e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19.5
+numpy==1.21.4
 opencv-contrib-python-headless==4.1.2.30
 scipy==1.7.2
 tensorflow==2.7.0
diff --git a/requirements_3.9.txt b/requirements_3.9.txt
index 98136a3..e10d38f 100644
--- a/requirements_3.9.txt
+++ b/requirements_3.9.txt
@@ -1,4 +1,4 @@
-numpy==1.19.5
+numpy==1.21.4
 opencv-contrib-python-headless==4.5.1.48
 scipy==1.7.2
 tensorflow==2.7.0