diff --git a/requirements.txt b/requirements.txt
index c1126230..f1ab81b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ flattentool==0.24.0
     # via -r requirements.in
 hyperlink==21.0.0
     # via twisted
-idna==2.8
+idna==3.7
     # via
     #   hyperlink
     #   requests
diff --git a/requirements.txt.sha256 b/requirements.txt.sha256
index 304bd558..563ad03f 100644
--- a/requirements.txt.sha256
+++ b/requirements.txt.sha256
@@ -1 +1 @@
-8e1eea5a0879c0002ed9878e2c470b3baaf54ae158179c7a7d260ff2e9219a94  requirements.txt
+05fa0f75f3ad7987fd07f7bb3d546b7d8cb8cc1b2b45c4768a87cacd898b8680  requirements.txt
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 25490803..78af1ce4 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -96,7 +96,7 @@ hyperlink==21.0.0
     # via
     #   -r requirements.txt
     #   twisted
-idna==2.8
+idna==3.7
     # via
     #   -r requirements.txt
     #   hyperlink