diff --git a/platform/build.gradle b/platform/build.gradle
index 0c5598b2d78..19e0e36c3c2 100644
--- a/platform/build.gradle
+++ b/platform/build.gradle
@@ -19,7 +19,7 @@ dependencies {
     def jollydayVersion = "0.32.0"
     def jsonschemaVersion = "4.37.0"
     def kafkaVersion = "3.9.0"
-    def opensearchVersion = "2.20.0"
+    def opensearchVersion = "2.21.0"
     def opensearchRestVersion = "2.18.0"
     def flyingSaucerVersion = "9.11.3"
     def jacksonVersion = "2.18.2"