diff --git a/test_requirements.txt b/test_requirements.txt
index 972c8ca8..5c7b62b2 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -3,7 +3,7 @@ WebTest
 pytest-cov
 mock
 urllib3
-httpbin==0.5.0
+httpbin
 flask<2.0
 ujson
 lxml