diff --git a/07 Optimizing Your Docker Images/requirements.txt b/07 Optimizing Your Docker Images/requirements.txt
index d1772a0..3375240 100644
--- a/07 Optimizing Your Docker Images/requirements.txt	
+++ b/07 Optimizing Your Docker Images/requirements.txt	
@@ -1,2 +1,2 @@
-Flask==0.12
+Flask==0.12.3
 flask-redis==0.3