diff --git a/Excel-REST - Blank.xlsm b/Excel-REST - Blank.xlsm
index b9f3dd0b..1a79d597 100644
Binary files a/Excel-REST - Blank.xlsm and b/Excel-REST - Blank.xlsm differ
diff --git a/README.md b/README.md
index 56fc3b51..7bcf59fa 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ For more details, check out the [Wiki](https://github.com/timhall/Excel-REST/wik
 #### 2.2.0
 
 - Add cookies support with `Request.AddCookie(key, value)` and `Response.Cookies`
+- __2.2.1__ Add `Response.Headers` collection of response headers
 
 #### 2.1.0
 
diff --git a/examples/Excel-REST - Example.xlsm b/examples/Excel-REST - Example.xlsm
index 433185d9..823c3caf 100644
Binary files a/examples/Excel-REST - Example.xlsm and b/examples/Excel-REST - Example.xlsm differ
diff --git a/specs/Excel-REST - Specs.xlsm b/specs/Excel-REST - Specs.xlsm
index c6d12340..861a0348 100644
Binary files a/specs/Excel-REST - Specs.xlsm and b/specs/Excel-REST - Specs.xlsm differ
diff --git a/src/IAuthenticator.cls b/src/IAuthenticator.cls
index 9f68e6ed..d4c9243e 100644
--- a/src/IAuthenticator.cls
+++ b/src/IAuthenticator.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' IAuthenticator v2.2.0
+' IAuthenticator v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Interface for creating authenticators for rest client
diff --git a/src/RestClient.cls b/src/RestClient.cls
index d693ca74..5b7ed3f2 100644
--- a/src/RestClient.cls
+++ b/src/RestClient.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' RestClient v2.2.0
+' RestClient v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Interact with REST web services from Excel
diff --git a/src/RestClientBase.bas b/src/RestClientBase.bas
index 51e500f5..fe44059b 100644
--- a/src/RestClientBase.bas
+++ b/src/RestClientBase.bas
@@ -1,6 +1,6 @@
 Attribute VB_Name = "RestClientBase"
 ''
-' RestClientBase v2.2.0
+' RestClientBase v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Extendable RestClientBase for developing custom client classes
diff --git a/src/RestHelpers.bas b/src/RestHelpers.bas
index 0f6911cf..29e431f7 100644
--- a/src/RestHelpers.bas
+++ b/src/RestHelpers.bas
@@ -1,6 +1,6 @@
 Attribute VB_Name = "RestHelpers"
 ''
-' RestHelpers v2.2.0
+' RestHelpers v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Common helpers RestClient
@@ -38,7 +38,7 @@ Attribute VB_Name = "RestHelpers"
   
 #End If
 
-Private Const UserAgent As String = "Excel Client v2.2.0 (https://github.com/timhall/Excel-REST)"
+Private Const UserAgent As String = "Excel Client v2.2.1 (https://github.com/timhall/Excel-REST)"
 
 ' Moved to top from JSONLib
 Private Const INVALID_JSON      As Long = 1
diff --git a/src/RestRequest.cls b/src/RestRequest.cls
index 2aa26a35..a4ca6a16 100644
--- a/src/RestRequest.cls
+++ b/src/RestRequest.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' RestRequest v2.2.0
+' RestRequest v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Create a request for use with a rest client
diff --git a/src/RestResponse.cls b/src/RestResponse.cls
index b1f8eff5..b92b600b 100644
--- a/src/RestResponse.cls
+++ b/src/RestResponse.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' RestResponse v2.2.0
+' RestResponse v2.2.1
 ' (c) Tim Hall - https://github.com/timhall/Excel-REST
 '
 ' Wrapper for http responses