diff --git a/config/openshift-trusted-cabundle.yaml b/config/openshift-trusted-cabundle.yaml
new file mode 100644
index 00000000000..2b13829bf8a
--- /dev/null
+++ b/config/openshift-trusted-cabundle.yaml
@@ -0,0 +1,23 @@
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-openshift-trusted-cabundle
+  namespace: knative-eventing
+  labels:
+    app.kubernetes.io/version: devel
+    app.kubernetes.io/name: knative-eventing
+    config.openshift.io/inject-trusted-cabundle: "true"
diff --git a/openshift/patches/023-configmap-trusted-cabundle.patch b/openshift/patches/023-configmap-trusted-cabundle.patch
new file mode 100644
index 00000000000..edf4f406ba7
--- /dev/null
+++ b/openshift/patches/023-configmap-trusted-cabundle.patch
@@ -0,0 +1,30 @@
+diff --git a/config/openshift-trusted-cabundle.yaml b/config/openshift-trusted-cabundle.yaml
+new file mode 100644
+index 000000000..a4c1a5f73
+--- /dev/null
++++ b/config/openshift-trusted-cabundle.yaml
+@@ -0,0 +1,23 @@
++# Copyright 2020 The Knative Authors
++#
++# Licensed under the Apache License, Version 2.0 (the "License");
++# you may not use this file except in compliance with the License.
++# You may obtain a copy of the License at
++#
++#     https://www.apache.org/licenses/LICENSE-2.0
++#
++# Unless required by applicable law or agreed to in writing, software
++# distributed under the License is distributed on an "AS IS" BASIS,
++# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
++# See the License for the specific language governing permissions and
++# limitations under the License.
++
++apiVersion: v1
++kind: ConfigMap
++metadata:
++  name: config-openshift-trusted-cabundle
++  namespace: knative-eventing
++  labels:
++    app.kubernetes.io/version: devel
++    app.kubernetes.io/name: knative-eventing
++    config.openshift.io/inject-trusted-cabundle: "true"
+-- 
diff --git a/openshift/release/artifacts/eventing-core.yaml b/openshift/release/artifacts/eventing-core.yaml
index 0e0a6479256..2eaa4d63762 100644
--- a/openshift/release/artifacts/eventing-core.yaml
+++ b/openshift/release/artifacts/eventing-core.yaml
@@ -5033,3 +5033,27 @@ roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
   name: openshift-serverless-view-eventing-configmaps
+---
+# Copyright 2020 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: config-openshift-trusted-cabundle
+  namespace: knative-eventing
+  labels:
+    app.kubernetes.io/version: v1.11
+    app.kubernetes.io/name: knative-eventing
+    config.openshift.io/inject-trusted-cabundle: "true"