diff --git a/Demos/requirements.txt b/Demos/requirements.txt
index ba3eb75..0808969 100644
--- a/Demos/requirements.txt
+++ b/Demos/requirements.txt
@@ -121,7 +121,7 @@ flake8==3.7.9
 fpdf==1.7.2
 fusepy==3.0.1
 fuzzywuzzy==0.17.0
-idna==2.8
+idna==3.7
 importlib-metadata==1.5.0
 inflect==4.1.0
 ipykernel==5.1.4
diff --git a/requirements.txt b/requirements.txt
index e3ad33d..35ee3ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ flake8==3.7.9
 fpdf==1.7.2
 fusepy==3.0.1
 fuzzywuzzy==0.17.0
-idna==2.8
+idna==3.7
 importlib-metadata==1.5.0
 inflect==4.1.0
 ipykernel==5.1.4