CHANGELOG.md in opentelemetry-semantic_conventions-1.4.0 vs CHANGELOG.md in opentelemetry-semantic_conventions-1.6.0

@@ -1,5 +1,12 @@
 # Release History: opentelemetry-semantic_conventions
 
+### v1.6.0 / 2021-08-12
+
+* BREAKING CHANGE: Update opentelemetry-semantic_conventions to the 1.5.0 spec release 
+
+* ADDED: Update opentelemetry-semantic_conventions to the 1.5.0 spec release 
+* ADDED: Update to semantic conventions v1.6.0 
+
 ### v1.4.0 / 2021-07-07
 
 * Initial release.