diff --git a/requirements.txt b/requirements.txt
index 97b4e227..ff12b5ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ funcsigs==1.0.2
 future==0.16.0
 gevent==1.3.0
 greenlet==0.4.13
-idna==2.7
+idna==3.10
 imagesize==1.0.0
 ipaddress==1.0.21
 Jinja2==2.10
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5404d8d3..1c28a671 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -22,7 +22,7 @@ funcsigs==1.0.2
 future==0.16.0
 gevent==1.3.0
 greenlet==0.4.13
-idna==2.7
+idna==3.10
 imagesize==1.0.0
 ipaddress==1.0.21
 Jinja2==2.10