diff --git a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/InlineVerifyCmd.java b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/InlineVerifyCmd.java
index eb464ea..05e2c8a 100644
--- a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/InlineVerifyCmd.java
+++ b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/InlineVerifyCmd.java
@@ -23,7 +23,7 @@ import java.util.List;
         exitCodeOnInvalidInput = 37)
 public class InlineVerifyCmd extends AbstractSopCmd {
 
-    @CommandLine.Parameters(arity = "1..*",
+    @CommandLine.Parameters(arity = "0..*",
             paramLabel = "CERT")
     List<String> certificates = new ArrayList<>();
 
diff --git a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/VerifyCmd.java b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/VerifyCmd.java
index 8054e1f..1bcd0a3 100644
--- a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/VerifyCmd.java
+++ b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/VerifyCmd.java
@@ -25,7 +25,7 @@ public class VerifyCmd extends AbstractSopCmd {
             paramLabel = "SIGNATURE")
     String signature;
 
-    @CommandLine.Parameters(index = "0..*",
+    @CommandLine.Parameters(index = "1..*",
             arity = "1..*",
             paramLabel = "CERT")
     List<String> certificates = new ArrayList<>();