diff --git a/tosan-httpclient-spring-boot-core/pom.xml b/tosan-httpclient-spring-boot-core/pom.xml
index d712a66..4f3eff1 100644
--- a/tosan-httpclient-spring-boot-core/pom.xml
+++ b/tosan-httpclient-spring-boot-core/pom.xml
@@ -52,11 +52,6 @@
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5-fluent</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk18on</artifactId>
-            <scope>runtime</scope>
-        </dependency>
         <dependency>
             <groupId>com.tosan.tools</groupId>
             <artifactId>tosan-mask-spring-boot-starter</artifactId>