diff --git a/examples/install_requirements.py b/examples/install_requirements.py
index d0f082422..25a49ce5f 100755
--- a/examples/install_requirements.py
+++ b/examples/install_requirements.py
@@ -52,7 +52,7 @@ def hasWhitespace(string):
         requireOpenCv = True
 
 if requireOpenCv:
-    DEPENDENCIES.append('opencv-python')
+    DEPENDENCIES.extend(['numpy','opencv-python'])
 
 
 # Constants