diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8fe3a732bd1a..cbd10c6fc1d2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -19,9 +19,9 @@ gitdb==4.0.7 \
 GitPython==3.1.14 \
     --hash=sha256:3283ae2fba31c913d857e12e5ba5f9a7772bbc064ae2bb09efafa71b0dd4939b \
     --hash=sha256:be27633e7509e58391f10207cd32b2a6cf5b908f92d9cd30da2e514e1137af61
-idna==2.10 \
-    --hash=sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6 \
-    --hash=sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0
+idna==3.1 \
+    --hash=sha256:5205d03e7bcbb919cc9c19885f9920d622ca52448306f2377daede5cf3faac16 \
+    --hash=sha256:c5b02147e01ea9920e6b0a3f1f7bb833612d507592c837a6c49552768f4054e1
 imagesize==1.2.0 \
     --hash=sha256:6965f19a6a2039c7d48bca7dba2473069ff854c36ae6f19d2cde309d998228a1 \
     --hash=sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1