diff --git a/tox-requirements.txt b/tox-requirements.txt
index 2686de6e..5f01b7a3 100644
--- a/tox-requirements.txt
+++ b/tox-requirements.txt
@@ -2,7 +2,7 @@
 coverage==5.3.1
 cryptography==36.0.1
 pytest==7.0.1
-WebTest==2.0.35
+WebTest==3.0.0
 Flask
 tornado
 responses==0.12.1