diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2c6e27cc1b..523099cf3c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ All notable changes to this project will be documented in this file.
 * fix: sanitize attributes inputs [#2881](https://github.com/open-telemetry/opentelemetry-js/pull/2881) @legendecas
 * fix: support earlier API versions [#2892](https://github.com/open-telemetry/opentelemetry-js/pull/2892) @dyladan
 * fix: support extract one digit '0' in jaeger traceFlag [#2905](https://github.com/open-telemetry/opentelemetry-js/issues/2905) @shmilyoo
+* fix(resources): extend ResourceAttributes interface to comply with spec [#2924](https://github.com/open-telemetry/opentelemetry-js/pull/2924) @blumamir
 
 ### :books: (Refine Doc)
 
diff --git a/packages/opentelemetry-resources/src/types.ts b/packages/opentelemetry-resources/src/types.ts
index 94d5e4b8928..717f71381d1 100644
--- a/packages/opentelemetry-resources/src/types.ts
+++ b/packages/opentelemetry-resources/src/types.ts
@@ -16,11 +16,14 @@
 
 import { Resource } from './Resource';
 import { ResourceDetectionConfig } from './config';
+import { SpanAttributes } from '@opentelemetry/api';
 
-/** Interface for Resource attributes  */
-export interface ResourceAttributes {
-  [key: string]: number | string | boolean;
-}
+/**
+ * Interface for Resource attributes.
+ * General `Attributes` interface is added in api v1.1.0.
+ * To backward support older api (1.0.x), the deprecated `SpanAttributes` is used here.
+ */
+export type ResourceAttributes = SpanAttributes;
 
 /**
  * Interface for a Resource Detector. In order to detect resources in parallel