diff --git a/dubbo-dependencies-bom/pom.xml b/dubbo-dependencies-bom/pom.xml
index 9d500d6aa430..30b33d64226f 100644
--- a/dubbo-dependencies-bom/pom.xml
+++ b/dubbo-dependencies-bom/pom.xml
@@ -172,7 +172,7 @@
     <swagger_version>1.6.16</swagger_version>
 
     <snappy_java_version>1.1.10.7</snappy_java_version>
-    <bouncycastle-bcprov_version>1.70</bouncycastle-bcprov_version>
+    <bouncycastle-bcprov_version>1.81</bouncycastle-bcprov_version>
     <metrics_version>2.0.6</metrics_version>
     <gson_version>2.13.1</gson_version>
     <jackson_version>2.19.0</jackson_version>
@@ -433,17 +433,12 @@
       </dependency>
       <dependency>
         <groupId>org.bouncycastle</groupId>
-        <artifactId>bcprov-jdk15on</artifactId>
+        <artifactId>bcprov-jdk18on</artifactId>
         <version>${bouncycastle-bcprov_version}</version>
       </dependency>
       <dependency>
         <groupId>org.bouncycastle</groupId>
-        <artifactId>bcpkix-jdk15on</artifactId>
-        <version>${bouncycastle-bcprov_version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.bouncycastle</groupId>
-        <artifactId>bcprov-ext-jdk15on</artifactId>
+        <artifactId>bcpkix-jdk18on</artifactId>
         <version>${bouncycastle-bcprov_version}</version>
       </dependency>
 
diff --git a/dubbo-plugin/dubbo-security/pom.xml b/dubbo-plugin/dubbo-security/pom.xml
index 0fda27afff8f..13c20b251bd2 100644
--- a/dubbo-plugin/dubbo-security/pom.xml
+++ b/dubbo-plugin/dubbo-security/pom.xml
@@ -75,15 +75,11 @@
 
     <dependency>
       <groupId>org.bouncycastle</groupId>
-      <artifactId>bcprov-jdk15on</artifactId>
+      <artifactId>bcprov-jdk18on</artifactId>
     </dependency>
     <dependency>
       <groupId>org.bouncycastle</groupId>
-      <artifactId>bcpkix-jdk15on</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>org.bouncycastle</groupId>
-      <artifactId>bcprov-ext-jdk15on</artifactId>
+      <artifactId>bcpkix-jdk18on</artifactId>
     </dependency>
 
     <!-- test -->