diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a3fd4b16..11ee7e56 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,8 +19,6 @@ jobs:
     strategy:
       matrix:
         java:
-          - 11
-          - 17
           - 21
     # Job name
     name: Build Asynchronous Search
@@ -68,8 +66,6 @@ jobs:
     strategy:
       matrix:
         java:
-          - 11
-          - 17
           - 21
     # Job name
     name: Test Asynchronous Search with opensearchstaging docker
diff --git a/build.gradle b/build.gradle
index 0894088e..77a49242 100644
--- a/build.gradle
+++ b/build.gradle
@@ -82,8 +82,8 @@ ext {
 }
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_21
+    targetCompatibility = JavaVersion.VERSION_21
 }
 
 allprojects {