diff --git a/ci/pip_requirements.txt b/ci/pip_requirements.txt
index e5d68695..dd849474 100644
--- a/ci/pip_requirements.txt
+++ b/ci/pip_requirements.txt
@@ -1,4 +1,4 @@
-connexion[swagger-ui]
+connexion[swagger-ui] < 3.0.0
 pyjwt[crypto]
 pytest < 5.3.4
 pytest-cov