diff --git a/requirements-dev.txt b/requirements-dev.txt
index cd02f10..81179ed 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,7 @@ certifi==2019.3.9
 chardet==3.0.4
 entrypoints==0.3
 flake8==3.7.7
-idna==2.8
+idna==2.10
 mccabe==0.6.1
 pycodestyle==2.5.0
 pyflakes==2.1.1
diff --git a/requirements.txt b/requirements.txt
index eb83bd8..7a0c236 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2019.3.9
 chardet==3.0.4
-idna==2.8
+idna==2.10
 requests==2.21.0
 urllib3==1.25