diff --git a/pom.xml b/pom.xml
index 56fd84b..3b19e4d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@
       <dependency>
           <groupId>org.bouncycastle</groupId>
           <artifactId>bcprov-jdk15on</artifactId>
-          <version>1.60</version>
+          <version>1.66</version>
       </dependency>
       <dependency>
           <groupId>commons-codec</groupId>