diff --git a/common/src/main/java/org/duracloud/mill/util/PropertyDefinitionListBuilder.java b/common/src/main/java/org/duracloud/mill/util/PropertyDefinitionListBuilder.java
index <HASH>..<HASH> 100644
--- a/common/src/main/java/org/duracloud/mill/util/PropertyDefinitionListBuilder.java
+++ b/common/src/main/java/org/duracloud/mill/util/PropertyDefinitionListBuilder.java
@@ -24,7 +24,7 @@ public class PropertyDefinitionListBuilder {
      */
     public PropertyDefinitionListBuilder addAws() {
         add(ConfigConstants.AWS_ACCESS_KEY_ID, false);
-        add(ConfigConstants.AWS_SECRET_KEY, true, false);
+        add(ConfigConstants.AWS_SECRET_KEY, false, true);
         return this;
     }
Removes requirement of aws.secretKey property for all command line tools
using PropertyDefinitionListBuilder.