diff --git a/ackeras/requirements.txt b/ackeras/requirements.txt
old mode 100755
new mode 100644
index fac6368..ea02efd
--- a/ackeras/requirements.txt
+++ b/ackeras/requirements.txt
@@ -7,7 +7,7 @@ numpy==1.14.5
 matplotlib==2.2.2
 sklearn_deap==0.2.2
 umap_learn==0.3.0
-Flask==0.12.3
+Flask==1.0
 seaborn==0.9.0
 evolutionary_search==0.1
 scikit_learn==0.19.2