CHANGES.md in twilio-ruby-5.1.0 vs CHANGES.md in twilio-ruby-5.1.1

@@ -1,6 +1,28 @@
 twilio-ruby changelog
 =====================
+
+[2017-08-10] Version 5.1.1
+---------------------------
+**Library**
+- Don't override Faraday default param encoder. Thanks to @isaacseymour. PR #309
+- Fix incorrectly aliased `to_xml` on TwiML classes. Thanks to @philnash. PR #318
+- Only define `to_s` on BaseJWT instead of subclasses. Thanks to @philnash. PR #321
+- Silence deprecation messages in testing. Thanks to @philnash. PR #323
+
+**Api**
+- Add New wireless usage keys added
+- Add `auto_correct_address` param for Addresses create and update
+
+**Video**
+- Add `video_codec` enum and `video_codecs` parameter, which can be set to either `VP8` or `H264` during room creation.
+- Restrict recordings page size to 100
+
+**Chat**
+- Add ChatGrant to available access tokens.
+- Mark IpMessagingGrant as deprecated in favor of ChatGrant.
+
+
 [2017-07-27] Version 5.1.0
 ---------------------------
 This release adds Beta and Preview products to main artifact.
 
 Previously, Beta and Preview products were only included in the alpha artifact.