diff --git a/.github/workflows/kind-e2e.yaml b/.github/workflows/kind-e2e.yaml
index 7c514ea90e..5c435a29e1 100644
--- a/.github/workflows/kind-e2e.yaml
+++ b/.github/workflows/kind-e2e.yaml
@@ -160,7 +160,7 @@ jobs:
         kubectl get pod -n knative-serving
 
         # Kourier
-        kubectl apply --filename https://github.com/knative-sandbox/net-kourier/releases/download/$KOURIER_VERSION/kourier.yaml
+        kubectl apply --filename https://github.com/knative-extensions/net-kourier/releases/download/$KOURIER_VERSION/kourier.yaml
         kubectl patch configmap/config-network \
         --namespace knative-serving \
         --type merge \
diff --git a/README.md b/README.md
index 625d6a5c54..241f49937f 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
 # Kafka Eventing Components
 
 [![go.dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white)](https://pkg.go.dev/knative.dev/eventing-kafka)
-[![Go Report Card](https://goreportcard.com/badge/knative-sandbox/eventing-kafka)](https://goreportcard.com/report/knative-sandbox/eventing-kafka)
-[![Releases](https://img.shields.io/github/release-pre/knative-sandbox/eventing-kafka.svg)](https://github.com/knative-sandbox/eventing-kafka/releases)
-[![LICENSE](https://img.shields.io/github/license/knative-sandbox/eventing-kafka.svg)](https://github.com/knative-sandbox/eventing-kafka/blob/master/LICENSE)
-[![codecov](https://codecov.io/gh/knative-sandbox/eventing-kafka/branch/master/graph/badge.svg)](https://codecov.io/gh/knative-sandbox/eventing-kafka)
+[![Go Report Card](https://goreportcard.com/badge/knative-extensions/eventing-kafka)](https://goreportcard.com/report/knative-extensions/eventing-kafka)
+[![Releases](https://img.shields.io/github/release-pre/knative-extensions/eventing-kafka.svg)](https://github.com/knative-extensions/eventing-kafka/releases)
+[![LICENSE](https://img.shields.io/github/license/knative-extensions/eventing-kafka.svg)](https://github.com/knative-extensions/eventing-kafka/blob/master/LICENSE)
+[![codecov](https://codecov.io/gh/knative-extensions/eventing-kafka/branch/master/graph/badge.svg)](https://codecov.io/gh/knative-extensions/eventing-kafka)
 [![TestGrid](https://img.shields.io/badge/testgrid-eventing_kafka-informational?logo=data:image/x-icon;base64,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)](https://testgrid.knative.dev/eventing-kafka)
 [![Slack](https://img.shields.io/badge/Signup-Knative_Slack-white.svg?logo=slack)](https://slack.knative.dev)
 [![Slack](https://img.shields.io/badge/%23eventing-white.svg?logo=slack&color=522a5e)](https://knative.slack.com/archives/C9JP909F0)
@@ -14,7 +14,7 @@
 This repository contains a multitenant [Kafka Source](pkg/source/README.md).
 
 ## Kafka Channel
-The Golang-based Kafka channel was deprecated and replaced by the `KafkaChannel`, maintained [here](https://github.com/knative-sandbox/eventing-kafka-broker).
+The Golang-based Kafka channel was deprecated and replaced by the `KafkaChannel`, maintained [here](https://github.com/knative-extensions/eventing-kafka-broker).
 
 ## Nightly Artifacts
 
diff --git a/test/e2e-common.sh b/test/e2e-common.sh
index 593113359d..ce1d7b821b 100755
--- a/test/e2e-common.sh
+++ b/test/e2e-common.sh
@@ -44,7 +44,7 @@ if [ "$(uname)" == "Darwin" ]; then
 fi
 
 # Eventing main config path from HEAD.
-readonly EVENTING_KAFKA_REPO="${EVENTING_KAFKA_REPO:-https://github.com/knative-sandbox/eventing-kafka}"
+readonly EVENTING_KAFKA_REPO="${EVENTING_KAFKA_REPO:-https://github.com/knative-extensions/eventing-kafka}"
 readonly EVENTING_CONFIG="./config/"
 readonly EVENTING_MT_CHANNEL_BROKER_CONFIG="./config/brokers/mt-channel-broker"
 readonly EVENTING_IN_MEMORY_CHANNEL_CONFIG="./config/channels/in-memory-channel"
@@ -259,7 +259,7 @@ function install_mt_source() {
   sed -i "s/namespace: knative-eventing/namespace: ${SYSTEM_NAMESPACE}/g" "${KAFKA_SOURCE_CRD_CONFIG_DIR}/"*yaml
   ko apply ${KO_FLAGS} -f "${KAFKA_SOURCE_CRD_CONFIG_DIR}" || return 1
 
-  # FIXME: integration-test-mt-source fails if post-install scripts are executed (knative-sandbox/eventing-kafka#495)
+  # FIXME: integration-test-mt-source fails if post-install scripts are executed (knative-extensions/eventing-kafka#495)
   # run_postinstall_jobs
 
   wait_until_pods_running "${EVENTING_NAMESPACE}" || fail_test "Failed to install the multi-tenant Kafka Source"
diff --git a/test/rekt/README.md b/test/rekt/README.md
index 6e2ef19982..777e5ba145 100644
--- a/test/rekt/README.md
+++ b/test/rekt/README.md
@@ -1,7 +1,7 @@
 # Reconciler Tests
 
 This is the staging location for the new
-[e2e testing framework](https://github.com/knative-sandbox/reconciler-test).
+[e2e testing framework](https://github.com/knative-extensions/reconciler-test).
 
 To run the tests on an existing cluster: