diff --git a/test/e2e/testdata/sensor-atleastonce-fail.yaml b/test/e2e/testdata/sensor-atleastonce-fail.yaml
index 15a2fffb23..497ff830de 100644
--- a/test/e2e/testdata/sensor-atleastonce-fail.yaml
+++ b/test/e2e/testdata/sensor-atleastonce-fail.yaml
@@ -19,7 +19,7 @@ spec:
         name: trigger-atleastonce
         http:
           # Expect to fail
-          url: https://not-existing.com/
+          url: https://invalid.com/
           method: GET
       atLeastOnce: true
       retryStrategy:
diff --git a/test/e2e/testdata/sensor-atmostonce-fail.yaml b/test/e2e/testdata/sensor-atmostonce-fail.yaml
index bbfb3d7943..0aa8ebfea8 100644
--- a/test/e2e/testdata/sensor-atmostonce-fail.yaml
+++ b/test/e2e/testdata/sensor-atmostonce-fail.yaml
@@ -19,7 +19,7 @@ spec:
         name: trigger-atmostonce
         http:
           # Expect to fail
-          url: https://not-existing.com/
+          url: https://invalid.com/
           method: GET
       retryStrategy:
         steps: 100
diff --git a/test/e2e/testdata/sensor-test-metrics.yaml b/test/e2e/testdata/sensor-test-metrics.yaml
index d830759cd1..913c06a0e8 100644
--- a/test/e2e/testdata/sensor-test-metrics.yaml
+++ b/test/e2e/testdata/sensor-test-metrics.yaml
@@ -17,5 +17,5 @@ spec:
         name: http-trigger
         http:
           # Expect to fail
-          url: https://not-existing.com/
+          url: https://invalid.com/
           method: GET
\ No newline at end of file