diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 59b9e6e7..407f1b6f 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -31,7 +31,7 @@ jobs:
       with:
         repository: 'opensearch-project/OpenSearch'
         path: OpenSearch
-        ref: '1.0'
+        ref: '1.x'
     - name: Build OpenSearch
       working-directory: ./OpenSearch
       run: ./gradlew publishToMavenLocal -Dbuild.snapshot=false
diff --git a/build.gradle b/build.gradle
index 307af6f9..d9d83ec5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@
 buildscript {
 
     ext {
-        opensearch_version = System.getProperty("opensearch.version", "1.0.0")
+        opensearch_version = System.getProperty("opensearch.version", "1.1.0")
     }
 
     // Used to resolve build file dependencies
@@ -68,7 +68,7 @@ spotbugsTest {
 }
 
 ext {
-    opensearchVersion = '1.0.0'
+    opensearchVersion = '1.1.0'
     isSnapshot = "true" == System.getProperty("build.snapshot", "true")
 
     // The RCA branch that will be built. Default value is main.
@@ -348,12 +348,9 @@ task buildRca() {
             workingDir("$licenseDir")
             commandLine 'rm', "-f", "performanceanalyzer-rca-1.0.0.0.jar.sha1"
         }
-        exec {
-            workingDir("$projectDir")
-            commandLine './gradlew', 'updateShas'
-        }
     }
 }
+buildRca.finalizedBy updateShas
 
 // This value is set by the unpackRca task
 def rcaArtifactsDir