diff --git a/java-sample/pom.xml b/java-sample/pom.xml
index 75d4c64..f376e79 100644
--- a/java-sample/pom.xml
+++ b/java-sample/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.54</version>
+            <version>1.67</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>