diff --git a/go.mod b/go.mod
index 57c1e1599..af92e5cc3 100644
--- a/go.mod
+++ b/go.mod
@@ -29,3 +29,5 @@ require (
 	knative.dev/serving v0.20.1-0.20210123202654-e61294b2ca32
 	sigs.k8s.io/yaml v1.2.0
 )
+
+replace github.com/go-openapi => github.com/go-openapi v0.19.3
diff --git a/vendor/modules.txt b/vendor/modules.txt
index cc80a135b..f949968cb 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -891,3 +891,4 @@ sigs.k8s.io/structured-merge-diff/v4/value
 # sigs.k8s.io/yaml v1.2.0
 ## explicit
 sigs.k8s.io/yaml
+# github.com/go-openapi => github.com/go-openapi v0.19.3