diff --git a/requirements.txt b/requirements.txt
index a64bbe5..23cc9c5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask_Cors==3.0.2
 wit==4.2.0
 httplib2==0.10.3
 ufal.morphodita==1.9.2.1
-requests==2.11.1
+requests==2.20.0
 Werkzeug==0.11.11
 beautifulsoup4==4.5.3
 ordereddict==1.1