diff --git a/.github/workflows/opensearch-observability-test-and-build-workflow.yml b/.github/workflows/opensearch-observability-test-and-build-workflow.yml
index 171bd34c6..439f7b8cf 100644
--- a/.github/workflows/opensearch-observability-test-and-build-workflow.yml
+++ b/.github/workflows/opensearch-observability-test-and-build-workflow.yml
@@ -14,7 +14,7 @@ jobs:
       # Run all jobs
       fail-fast: false
       matrix:
-        java: [11, 17]
+        java: [11, 17, 21]
     runs-on: ubuntu-latest
     container:
       # using the same image which is used by opensearch-build team to build the OpenSearch Distribution
diff --git a/build.gradle b/build.gradle
index dde0ae938..da3d095f2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,7 +36,7 @@ buildscript {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}"
         classpath "org.jetbrains.kotlin:kotlin-allopen:${kotlin_version}"
         classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.22.0"
-        classpath "org.jacoco:org.jacoco.agent:0.8.8"
+        classpath "org.jacoco:org.jacoco.agent:0.8.11"
     }
 }