diff --git a/requirements.txt b/requirements.txt
index cefdabc..0c55be9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Click==7.0
 dill==0.2.5
 ecdsa==0.13
 enum==0.4.7
-Flask==0.12.2
+Flask==1.0
 flask-apispec==0.7.0
 future==0.16.0
 idna==2.6