diff --git a/CHANGELOG.md b/CHANGELOG.md
index b96ef801..6c373478 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,8 +6,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+### Added
+- Add conformance classes for `STAC API - Features` and `STAC API - Collections`. Both were already fully-supported, but
+  were not advertised in the landing page conformsTo attribute or the /conformance endpoint. 
+
+### Fixed
+
+### Changed
 - Upgrade to Node 14
 
+### Removed
+
 ## [0.3.1] - 2021-07-28
 
 ### Removed
diff --git a/README.md b/README.md
index 4c7921e6..8a5498ae 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ The following APIs are deployed instances of stac-server:
 | ---------------------------------------------------------- | ------------ | ---------------- |
 | [Earth Search](https://earth-search.aws.element84.com/v0/) | 1.0.0-beta.2 | 0.9.0            | Catalog of some AWS Public Datasets |
 | [Landsat Look](https://landsatlook.usgs.gov/stac-server)   | 1.0.0        | 0.9.0            |                                     |
-
+| [USGS Planetary Catalog](https://asc-stacbrowser.s3.us-west-2.amazonaws.com/catalog.json) | 1.0.0 |  | USGS Astrogeology hosted Analysis Ready Data (ARD) |
 ## Migration
 
 ### 0.3 -> 0.4
diff --git a/libs/api.js b/libs/api.js
index 241fa2dd..d527f608 100644
--- a/libs/api.js
+++ b/libs/api.js
@@ -428,11 +428,16 @@ const getAPI = async function () {
 const getConformance = async function () {
   const conformance = {
     conformsTo: [
-      'https://api.stacspec.org/v1.0.0-beta.2/core',
-      'https://api.stacspec.org/v1.0.0-beta.2/item-search',
-      'https://api.stacspec.org/v1.0.0-beta.2/item-search#fields',
-      'https://api.stacspec.org/v1.0.0-beta.2/item-search#sort',
-      'https://api.stacspec.org/v1.0.0-beta.2/item-search#query',
+      'https://api.stacspec.org/v1.0.0-beta.5/core',
+      'https://api.stacspec.org/v1.0.0-beta.5/collections',
+      'https://api.stacspec.org/v1.0.0-beta.5/ogcapi-features',
+      'https://api.stacspec.org/v1.0.0-beta.5/ogcapi-features#fields',
+      'https://api.stacspec.org/v1.0.0-beta.5/ogcapi-features#sort',
+      'https://api.stacspec.org/v1.0.0-beta.5/ogcapi-features#query',
+      'https://api.stacspec.org/v1.0.0-beta.5/item-search',
+      'https://api.stacspec.org/v1.0.0-beta.5/item-search#fields',
+      'https://api.stacspec.org/v1.0.0-beta.5/item-search#sort',
+      'https://api.stacspec.org/v1.0.0-beta.5/item-search#query',
       'http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/core',
       'http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/oas30',
       'http://www.opengis.net/spec/ogcapi-features-1/1.0/conf/geojson'
diff --git a/tests/test_api_search.js b/tests/test_api_search.js
index 2edfb553..e5b9dad1 100644
--- a/tests/test_api_search.js
+++ b/tests/test_api_search.js
@@ -41,7 +41,7 @@ test('search /api', async (t) => {
 test('search /conformance', async (t) => {
   const actual = await api.API('/conformance', undefined, undefined, 'endpoint')
   t.truthy(actual.conformsTo)
-  t.is(actual.conformsTo.length, 8)
+  t.is(actual.conformsTo.length, 13)
 })
 
 test('search /', async (t) => {