diff --git a/.github/workflows/docker-security-test-workflow.yml b/.github/workflows/docker-security-test-workflow.yml
index 590686ae0..a3177cd1b 100644
--- a/.github/workflows/docker-security-test-workflow.yml
+++ b/.github/workflows/docker-security-test-workflow.yml
@@ -66,9 +66,10 @@ jobs:
       - name: Run Index Management Test for security enabled test cases
         if: env.imagePresent == 'true'
         run: |
-          cluster_running=`curl -XGET https://localhost:9200/_cat/plugins -u admin:admin --insecure`
-          echo $cluster_running
-          security=`curl -XGET https://localhost:9200/_cat/plugins -u admin:admin --insecure |grep opensearch-security|wc -l`
+          container_id=`docker ps -q`
+          plugins=`docker exec $container_id /usr/share/opensearch/bin/opensearch-plugin list`
+          echo "plugins: $plugins"
+          security=`echo $plugins | grep opensearch-security | wc -l`
           echo $security
           if [ $security -gt 0 ]
           then
diff --git a/build.gradle b/build.gradle
index 58917eb2a..d0b005502 100644
--- a/build.gradle
+++ b/build.gradle
@@ -628,7 +628,7 @@ task integTestRemote(type: RestIntegTestTask) {
 
 // === Set up BWC tests ===
 
-String bwcVersionShort = "2.11.0"
+String bwcVersionShort = "2.12.0"
 String bwcVersion = bwcVersionShort + ".0"
 String baseName = "indexmanagementBwcCluster"
 
diff --git a/src/main/kotlin/org/opensearch/indexmanagement/transform/model/Transform.kt b/src/main/kotlin/org/opensearch/indexmanagement/transform/model/Transform.kt
index ce6e50401..1403639af 100644
--- a/src/main/kotlin/org/opensearch/indexmanagement/transform/model/Transform.kt
+++ b/src/main/kotlin/org/opensearch/indexmanagement/transform/model/Transform.kt
@@ -77,6 +77,9 @@ data class Transform(
         aggregations.aggregatorFactories.forEach {
             require(supportedAggregations.contains(it.type)) { "Unsupported aggregation [${it.type}]" }
         }
+        aggregations.pipelineAggregatorFactories.forEach {
+            require(supportedAggregations.contains(it.type)) { "Unsupported aggregation [${it.type}]" }
+        }
         when (jobSchedule) {
             is CronSchedule -> {
                 // Job scheduler already correctly throws errors for this