diff --git a/pom.xml b/pom.xml
index 47283cc77..482fda547 100644
--- a/pom.xml
+++ b/pom.xml
@@ -326,7 +326,7 @@
       <dependency>
         <groupId>org.bouncycastle</groupId>
         <artifactId>bcpkix-jdk18on</artifactId>
-        <version>1.78</version>
+        <version>1.78.1</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/weixin-java-cp/pom.xml b/weixin-java-cp/pom.xml
index 3c055d560..1d3b845c5 100644
--- a/weixin-java-cp/pom.xml
+++ b/weixin-java-cp/pom.xml
@@ -84,7 +84,7 @@
     <dependency>
       <groupId>org.bouncycastle</groupId>
       <artifactId>bcprov-jdk18on</artifactId>
-      <version>1.78</version>
+      <version>1.78.1</version>
     </dependency>
 
     <dependency>