CHANGELOG.md in api_client-0.5.21 vs CHANGELOG.md in api_client-0.5.22

@@ -1,4 +1,8 @@
+# 0.5.22
+
+* Add constraint on faraday < 1.0.0 as it breaks compatibility
+
 # 0.5.21
 
 * add support for http 410 status code
 
 # 0.5.20