diff --git a/CHANGELOG.md b/CHANGELOG.md
index d8dde400..b98e886c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ArduinoJson: change log
 =======================
 
+HEAD
+----
+
+* Added `measureJson()` to the `ArduinoJson` namespace (PR #1069 by @nomis)
+
 v6.11.3 (2019-07-22)
 -------
 
diff --git a/src/ArduinoJson.hpp b/src/ArduinoJson.hpp
index cb3704ee..ce371958 100644
--- a/src/ArduinoJson.hpp
+++ b/src/ArduinoJson.hpp
@@ -57,6 +57,7 @@ using ARDUINOJSON_NAMESPACE::deserializeJson;
 using ARDUINOJSON_NAMESPACE::deserializeMsgPack;
 using ARDUINOJSON_NAMESPACE::DynamicJsonDocument;
 using ARDUINOJSON_NAMESPACE::JsonDocument;
+using ARDUINOJSON_NAMESPACE::measureJson;
 using ARDUINOJSON_NAMESPACE::serialized;
 using ARDUINOJSON_NAMESPACE::serializeJson;
 using ARDUINOJSON_NAMESPACE::serializeJsonPretty;