diff --git a/pom.xml b/pom.xml
index 038b0fd..c0d45e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,14 +20,14 @@
             <dependency>
                 <groupId>junit</groupId>
                 <artifactId>junit</artifactId>
-                <version>4.12</version>
+                <version>4.13.1</version>
                 <scope>test</scope>
             </dependency>
 
             <dependency>
                 <groupId>org.bouncycastle</groupId>
                 <artifactId>bcprov-jdk15on</artifactId>
-                <version>1.63</version>
+                <version>1.67</version>
             </dependency>
             <dependency>
                 <groupId>org.bouncycastle</groupId>