diff --git a/src/metapype/VERSION.txt b/src/metapype/VERSION.txt
index 6e8bf73..17e51c3 100644
--- a/src/metapype/VERSION.txt
+++ b/src/metapype/VERSION.txt
@@ -1 +1 @@
-0.1.0
+0.1.1
diff --git a/src/metapype/changelog.md b/src/metapype/changelog.md
index c7fb916..9cefc23 100644
--- a/src/metapype/changelog.md
+++ b/src/metapype/changelog.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## (0.1.1) 2024-08-01
+### Changed/Fixed
+- Change `roleRule` to require non-empty string content.
+
 ## (0.1.0) 2024-02-17
 ### Changed/Fixed
 - Add `normalize()` help function to `metapype.model` to normalize whitespace in both XML documents and
diff --git a/src/metapype/eml/rules.json b/src/metapype/eml/rules.json
index f52e7ef..9c13ca6 100644
--- a/src/metapype/eml/rules.json
+++ b/src/metapype/eml/rules.json
@@ -1043,7 +1043,7 @@
         [
         ],
         {
-            "content_rules" : ["strContent"]
+            "content_rules" : ["strContent", "nonEmptyContent"]
         }
     ],
    "rowColumnRule" : [