diff --git a/client/pom.xml b/client/pom.xml
index 08ba5119..50a00232 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -22,7 +22,7 @@
         <commons-pool2.version>2.2</commons-pool2.version>
         <servlet.version>3.0.1</servlet.version>
         <fastjson.version>1.2.83</fastjson.version>
-        <bouncycastle.version>1.69</bouncycastle.version>
+        <bouncycastle.version>1.81</bouncycastle.version>
     </properties>
 
     <build>
@@ -255,7 +255,7 @@
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
-            <artifactId>bcpkix-jdk15on</artifactId>
+            <artifactId>bcpkix-jdk18on</artifactId>
             <version>${bouncycastle.version}</version>
         </dependency>
         <dependency>