diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45c6d9a3..b62c8493 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@ Major Changes:
 - __4.0.18__ Add `VBA.Randomize` to `CreateNonce` and add `TodoistAuthenticator`
 - __4.0.19__ Fix installer and update VBA-JSON to v1.0.3
 - __4.0.20__ Update VBA-JSON to v2.0.1 (Note: Breaking change in VBA-JSON, Solidus is no longer escaped by default)
+- __4.0.21__ Fix `vbCrLf` issue in Excel for Mac 2016 and namespace internal method calls
 
 Breaking Changes:
 
diff --git a/README.md b/README.md
index 7d8b34da..05a29a4f 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ VBA-Web (formerly Excel-REST) makes working with complex webservices and APIs ea
 Getting started
 ---------------
 
-- Download the [latest release (v4.0.20)](https://github.com/VBA-tools/VBA-Web/releases)
+- Download the [latest release (v4.0.21)](https://github.com/VBA-tools/VBA-Web/releases)
 - To install/upgrade in an existing file, use `VBA-Web - Installer.xlsm`
 - To start from scratch in Excel, `VBA-Web - Blank.xlsm` has everything setup and ready to go
 
diff --git a/VBA-Web - Blank.xlsm b/VBA-Web - Blank.xlsm
index 90f56345..bc345d37 100644
Binary files a/VBA-Web - Blank.xlsm and b/VBA-Web - Blank.xlsm differ
diff --git a/VBA-Web - Installer.xlsm b/VBA-Web - Installer.xlsm
index a6dd2dcd..b8bf321b 100644
Binary files a/VBA-Web - Installer.xlsm and b/VBA-Web - Installer.xlsm differ
diff --git a/examples/VBA-Web - Example.xlsm b/examples/VBA-Web - Example.xlsm
index d38dbd19..15d3db24 100644
Binary files a/examples/VBA-Web - Example.xlsm and b/examples/VBA-Web - Example.xlsm differ
diff --git a/specs/VBA-Web - Specs - Async.xlsm b/specs/VBA-Web - Specs - Async.xlsm
index 2cf0b523..14d5eaaa 100644
Binary files a/specs/VBA-Web - Specs - Async.xlsm and b/specs/VBA-Web - Specs - Async.xlsm differ
diff --git a/specs/VBA-Web - Specs.xlsm b/specs/VBA-Web - Specs.xlsm
index 57790e4f..07c32cdd 100644
Binary files a/specs/VBA-Web - Specs.xlsm and b/specs/VBA-Web - Specs.xlsm differ
diff --git a/src/IWebAuthenticator.cls b/src/IWebAuthenticator.cls
index 3a74fc55..95219d6a 100644
--- a/src/IWebAuthenticator.cls
+++ b/src/IWebAuthenticator.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' IWebAuthenticator v4.0.20
+' IWebAuthenticator v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Interface for creating authenticators for rest client
diff --git a/src/WebAsyncWrapper.cls b/src/WebAsyncWrapper.cls
index fa354bd8..f10d4eeb 100644
--- a/src/WebAsyncWrapper.cls
+++ b/src/WebAsyncWrapper.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebAsyncWrapper v4.0.20
+' WebAsyncWrapper v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Wrapper WebClient and WebRequest that enables callback-style async requests
diff --git a/src/WebClient.cls b/src/WebClient.cls
index 653aad37..abc7dac4 100644
--- a/src/WebClient.cls
+++ b/src/WebClient.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebClient v4.0.20
+' WebClient v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' `WebClient` executes requests and handles response and is responsible for functionality shared between requests,
diff --git a/src/WebHelpers.bas b/src/WebHelpers.bas
index c3d1eccc..e3faf139 100644
--- a/src/WebHelpers.bas
+++ b/src/WebHelpers.bas
@@ -1,6 +1,6 @@
 Attribute VB_Name = "WebHelpers"
 ''
-' WebHelpers v4.0.20
+' WebHelpers v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Contains general-purpose helpers that are used throughout VBA-Web. Includes:
@@ -247,7 +247,7 @@ Private Declare Function web_fread Lib "libc.dylib" Alias "fread" (ByVal outStr
 Private Declare Function web_feof Lib "libc.dylib" Alias "feof" (ByVal File As Long) As Long
 #End If
 
-Public Const WebUserAgent As String = "VBA-Web v4.0.20 (https://github.com/VBA-tools/VBA-Web)"
+Public Const WebUserAgent As String = "VBA-Web v4.0.21 (https://github.com/VBA-tools/VBA-Web)"
 
 ' @internal
 Public Type ShellResult
diff --git a/src/WebRequest.cls b/src/WebRequest.cls
index 2d41ec4b..a1be65e7 100644
--- a/src/WebRequest.cls
+++ b/src/WebRequest.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebRequest v4.0.20
+' WebRequest v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' `WebRequest` is used to create detailed requests
diff --git a/src/WebResponse.cls b/src/WebResponse.cls
index f0f021a2..f4704860 100644
--- a/src/WebResponse.cls
+++ b/src/WebResponse.cls
@@ -8,7 +8,7 @@ Attribute VB_Creatable = False
 Attribute VB_PredeclaredId = False
 Attribute VB_Exposed = True
 ''
-' WebResponse v4.0.20
+' WebResponse v4.0.21
 ' (c) Tim Hall - https://github.com/VBA-tools/VBA-Web
 '
 ' Wrapper for http/cURL responses that includes parsed Data based on WebRequest.ResponseFormat.