diff --git a/core/pom.xml b/core/pom.xml
index 2fa389b..2a59438 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -379,7 +379,7 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.55</version>
+            <version>1.67</version>
         </dependency>
         <dependency>
             <groupId>com.google.protobuf</groupId>