diff --git a/build.gradle b/build.gradle
index 6063fa0a7..06e1046cd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -173,7 +173,7 @@ dependencies {
     testCompile "org.opensearch.test:framework:${opensearch_version}"
     testCompile "org.jetbrains.kotlin:kotlin-test:${kotlin_version}"
     testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
-    testCompile "org.mockito:mockito-core:2.23.0"
+    testCompile "org.mockito:mockito-core:3.12.4"
 
     add("ktlint", "com.pinterest:ktlint:0.41.0") {
         attributes {
diff --git a/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/MetadataRegressionIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/MetadataRegressionIT.kt
index 2910beb10..ed2b15032 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/MetadataRegressionIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/indexstatemanagement/MetadataRegressionIT.kt
@@ -65,6 +65,7 @@ class MetadataRegressionIT : IndexStateManagementIntegTestCase() {
         updateClusterSetting(ManagedIndexSettings.METADATA_SERVICE_ENABLED.key, null, false)
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/index-management/issues/176")
     fun `test move metadata service`() {
         updateClusterSetting(ManagedIndexSettings.METADATA_SERVICE_ENABLED.key, "false")
         updateClusterSetting(ManagedIndexSettings.METADATA_SERVICE_ENABLED.key, "true")
@@ -139,6 +140,7 @@ class MetadataRegressionIT : IndexStateManagementIntegTestCase() {
         }
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/index-management/issues/176")
     fun `test job can continue run from cluster state metadata`() {
         /**
          *  new version of ISM plugin can handle metadata in cluster state
@@ -221,6 +223,7 @@ class MetadataRegressionIT : IndexStateManagementIntegTestCase() {
         }
     }
 
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/index-management/issues/176")
     fun `test new node skip execution when old node exist in cluster`() {
         Assume.assumeTrue(isMixedNodeRegressionTest)