diff --git a/weather/service/requirements.txt b/weather/service/requirements.txt
index 83ebd3a..ae795e3 100644
--- a/weather/service/requirements.txt
+++ b/weather/service/requirements.txt
@@ -3,7 +3,7 @@ certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 Click==7.0
-cryptography==2.3.1
+cryptography==3.2
 Flask==1.0.2
 idna==2.7
 itsdangerous==1.1.0