diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4003818053..2bfb0713f4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,8 @@ release.
   ([#3884](https://github.com/open-telemetry/opentelemetry-specification/pull/3884))
 - Clarify that logs attributes are a superset of standard attributes.
   ([#3852](https://github.com/open-telemetry/opentelemetry-specification/pull/3852))
+- Add support for empty values.
+  ([#3853](https://github.com/open-telemetry/opentelemetry-specification/pull/3853))
 
 ### Resource
 
diff --git a/specification/logs/data-model.md b/specification/logs/data-model.md
index 8bace296920..b03459e4cc7 100644
--- a/specification/logs/data-model.md
+++ b/specification/logs/data-model.md
@@ -112,7 +112,9 @@ Value of type `any` can be one of the following:
 
 - An array (a list) of `any` values,
 
-- A `map<string, any>`.
+- A `map<string, any>`,
+
+- [since 1.31.0] An empty value (e.g. `null`).
 
 #### Type `map<string, any>`