diff --git a/build.gradle b/build.gradle
index 8bd77fb56..cfcc62535 100644
--- a/build.gradle
+++ b/build.gradle
@@ -173,7 +173,7 @@ dependencies {
     implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.14.0'
     implementation "org.opensearch:common-utils:${common_utils_version}"
     implementation 'com.amazonaws:aws-encryption-sdk-java:2.4.1'
-    implementation 'org.bouncycastle:bcprov-jdk18on:1.77'
+    implementation 'org.bouncycastle:bcprov-jdk18on:1.78'
     api "org.apache.httpcomponents.core5:httpcore5:5.2.2"
     implementation "jakarta.json.bind:jakarta.json.bind-api:3.0.1"
     implementation "org.glassfish:jakarta.json:2.0.1"