diff --git a/requirements.txt b/requirements.txt
index 107149f..ab58cf2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ django>=2.2.13                       # 3-clause BSD
 whitenoise==3.3.1                    # MIT
 opencv-contrib-python==4.1.0.25      # 3-clause BSD
 opencv-python==4.1.0.25              # 3-clause BSD
-numpy==1.16.4                        # 3-clause BSD
+numpy==1.22.0                        # 3-clause BSD
 pdf2image==1.9.0                     # MIT
 scipy==1.3.0                         # 3-clause BSD
 Shapely==1.6.4.post1                 # 3-clause BSD