diff --git a/requirements.txt b/requirements.txt
index 0c1a81f..75e5c64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 tensorflow==1.8.0
-numpy==1.16.3
\ No newline at end of file
+numpy==1.16.3
+opencv3==3.1.0
\ No newline at end of file