diff --git a/internal/pkg/controller/controller_test.go b/internal/pkg/controller/controller_test.go
index 3fdd4b86..14ad4172 100644
--- a/internal/pkg/controller/controller_test.go
+++ b/internal/pkg/controller/controller_test.go
@@ -15,7 +15,7 @@ import (
 
 var (
 	client              = testutil.GetClient()
-	namespace           = "test-reloader"
+	namespace           = "test-reloader-" + testutil.RandSeq(5)
 	configmapNamePrefix = "testconfigmap-reloader"
 	secretNamePrefix    = "testsecret-reloader"
 	data                = "dGVzdFNlY3JldEVuY29kaW5nRm9yUmVsb2FkZXI="
diff --git a/internal/pkg/handler/update_test.go b/internal/pkg/handler/update_test.go
index 2e9c6f1c..6ddbeef7 100644
--- a/internal/pkg/handler/update_test.go
+++ b/internal/pkg/handler/update_test.go
@@ -15,7 +15,7 @@ import (
 
 var (
 	client        = testclient.NewSimpleClientset()
-	namespace     = "test-handler"
+	namespace     = "test-handler-" + testutil.RandSeq(5)
 	configmapName = "testconfigmap-handler-" + testutil.RandSeq(5)
 	secretName    = "testsecret-handler-" + testutil.RandSeq(5)
 )