diff --git a/webhook/requirements-dev.txt b/webhook/requirements-dev.txt
index 40c7047..c59a62c 100644
--- a/webhook/requirements-dev.txt
+++ b/webhook/requirements-dev.txt
@@ -6,7 +6,7 @@ certifi==2020.6.20
 chardet==3.0.4
 click==7.1.2
 cryptography==3.0
-dnspython==1.16.0
+dnspython==2.6.1
 fastapi==0.59.0
 filelock==3.0.12
 flake8==3.8.3