diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ae0b7dc..3fff2b3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,6 @@ jobs:
     strategy:
       matrix:
         java: 
-          - 8
           - 11
           - 14
         os: [ubuntu-latest, windows-latest]
diff --git a/build.gradle b/build.gradle
index 3ed44069..f25b4d0b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@
 buildscript {
     ext {
         opensearch_group = "org.opensearch"
-        opensearch_version = System.getProperty("opensearch.version", "1.3.14-SNAPSHOT")
+        opensearch_version = System.getProperty("opensearch.version", "1.3.15-SNAPSHOT")
         kotlin_version = System.getProperty("kotlin.version", "1.6.0")
     }