diff --git a/CHANGELOG.md b/CHANGELOG.md
index d98895c2..e7045009 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+### 4.2.1 (2019-08-08)
+
+* add ability to return a single term as n3 format for linked data
+* allow error from RDF::Graph to be parsed with or without parentheses around
+* remove CircleCI ruby/rails version defaults (maintenance)
+* adjust queries for TGN to use TGN scheme and not ULAN
+
 ### 4.2.0 (2019-06-07)
 
 * allow property_map.optional? default value to be configurable
diff --git a/lib/qa/version.rb b/lib/qa/version.rb
index 4dbe07c1..7277a15d 100644
--- a/lib/qa/version.rb
+++ b/lib/qa/version.rb
@@ -1,3 +1,3 @@
 module Qa
-  VERSION = "4.2.0".freeze
+  VERSION = "4.2.1".freeze
 end