diff --git a/aliyun-java-sdk-core/pom.xml b/aliyun-java-sdk-core/pom.xml
index aca75f8b37..8040b11ebb 100644
--- a/aliyun-java-sdk-core/pom.xml
+++ b/aliyun-java-sdk-core/pom.xml
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk18on</artifactId>
-            <version>1.78.1</version>
+            <version>1.79</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>