diff --git a/integration-tests/src/test/java/oracle/weblogic/kubernetes/ItMiiDynamicUpdate.java b/integration-tests/src/test/java/oracle/weblogic/kubernetes/ItMiiDynamicUpdate.java
index 2b8cdec25e6..f33dbaba2d7 100644
--- a/integration-tests/src/test/java/oracle/weblogic/kubernetes/ItMiiDynamicUpdate.java
+++ b/integration-tests/src/test/java/oracle/weblogic/kubernetes/ItMiiDynamicUpdate.java
@@ -680,7 +680,7 @@ void testMiiDeleteDatasource() {
     Path pathToDeleteDSYaml = Paths.get(WORK_DIR + "/deleteds.yaml");
     String yamlToDeleteDS = "resources:\n"
         + "  JDBCSystemResource:\n"
-        + "    !TestDataSource2:";
+        + "    '!TestDataSource2':";
 
     assertDoesNotThrow(() -> Files.write(pathToDeleteDSYaml, yamlToDeleteDS.getBytes()));
 
diff --git a/integration-tests/src/test/resources/wdt-models/model.delete.sysresources.yaml b/integration-tests/src/test/resources/wdt-models/model.delete.sysresources.yaml
index 7a6176428da..e03223b5d86 100644
--- a/integration-tests/src/test/resources/wdt-models/model.delete.sysresources.yaml
+++ b/integration-tests/src/test/resources/wdt-models/model.delete.sysresources.yaml
@@ -1,15 +1,15 @@
-# Copyright (c) 2020, 2021, Oracle and/or its affiliates.
+# Copyright (c) 2020, 2022, Oracle and/or its affiliates.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 resources:
     FileStore:
-        !TestClusterFileStore:
+        '!TestClusterFileStore':
     JMSServer:
-        !TestClusterJmsServer:
+        '!TestClusterJmsServer':
     JMSSystemResource:
-        !TestClusterJmsModule:
+        '!TestClusterJmsModule':
     JDBCSystemResource:
-        !TestDataSource:
+        '!TestDataSource':
 appDeployments:
     Application:
-        !myear:
+        '!myear':
diff --git a/integration-tests/src/test/resources/wdt-models/multi-model-delete-one-ds.20.yaml b/integration-tests/src/test/resources/wdt-models/multi-model-delete-one-ds.20.yaml
index c2fa5d2483f..a0f0529d0c0 100644
--- a/integration-tests/src/test/resources/wdt-models/multi-model-delete-one-ds.20.yaml
+++ b/integration-tests/src/test/resources/wdt-models/multi-model-delete-one-ds.20.yaml
@@ -1,4 +1,4 @@
-# Copyright (c) 2020, 2021, Oracle and/or its affiliates.
+# Copyright (c) 2020, 2022, Oracle and/or its affiliates.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 resources:
     JDBCSystemResource:
@@ -20,4 +20,4 @@ resources:
                     Properties:
                         user:
                             Value: j2ee
-        !TestDataSource2:
+        '!TestDataSource2':