diff --git a/benchmark/guomi/pom.xml b/benchmark/guomi/pom.xml
index 20f1a39..d5e9423 100644
--- a/benchmark/guomi/pom.xml
+++ b/benchmark/guomi/pom.xml
@@ -67,7 +67,7 @@
             <dependency>
                 <groupId>org.bouncycastle</groupId>
                 <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.66</version>
+                <version>1.67</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>