diff --git a/pom.xml b/pom.xml
index 82b1751..a5cf2e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     <properties>
         <java.version>1.8</java.version>
         <guava.version>28.1-jre</guava.version>
-        <bouncy-castle.version>1.64</bouncy-castle.version>
+        <bouncy-castle.version>1.67</bouncy-castle.version>
         <ddoe-common.version>0.0.1-SNAPSHOT</ddoe-common.version>
     </properties>