diff --git a/pdf-deprecated-finder/pom.xml b/pdf-deprecated-finder/pom.xml
index 01c9a90..2b15bdb 100644
--- a/pdf-deprecated-finder/pom.xml
+++ b/pdf-deprecated-finder/pom.xml
@@ -19,12 +19,6 @@
             <artifactId>pdfbox</artifactId>
             <version>[2.0.62,2.1.0)</version>
         </dependency>
-
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.69</version>
-        </dependency>
         <dependency>
             <groupId>org.verapdf.pdfbox</groupId>
             <artifactId>xmpbox</artifactId>
diff --git a/pom.xml b/pom.xml
index b42d881..732dc73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,7 @@
             <dependency>
                 <groupId>com.beust</groupId>
                 <artifactId>jcommander</artifactId>
-                <version>1.48</version>
+                <version>1.72</version>
             </dependency>
 
         </dependencies>