diff --git a/.generator/config.yaml b/.generator/config.yaml
index 43c3b903..daed8e46 100644
--- a/.generator/config.yaml
+++ b/.generator/config.yaml
@@ -8,7 +8,7 @@ additionalProperties:
   enumClassPrefix: true
   generateInterfaces: true
   packageName: okta
-  packageVersion: 4.0.0
+  packageVersion: 4.1.0
   useOneOfDiscriminatorLookup: true
   disallowAdditionalPropertiesIfNotPresent: false
 files:
diff --git a/.generator/templates/client.mustache b/.generator/templates/client.mustache
index 34c5b7ee..2c8a2b71 100644
--- a/.generator/templates/client.mustache
+++ b/.generator/templates/client.mustache
@@ -396,8 +396,12 @@ func getAccessTokenForPrivateKey(httpClient *http.Client, orgURL, clientAssertio
 	tokenResponse.Body = origResp
 	var accessToken *RequestAccessToken
 
-	if tokenResponse.StatusCode >= 400 && strings.Contains(string(respBody), "invalid_dpop_proof") {
-		return getAccessTokenForDpopPrivateKey(tokenRequest, httpClient, orgURL, "", maxRetries, maxBackoff)
+	if tokenResponse.StatusCode >= 300 {
+		if strings.Contains(string(respBody), "invalid_dpop_proof") {
+			return getAccessTokenForDpopPrivateKey(tokenRequest, httpClient, orgURL, "", maxRetries, maxBackoff)
+		} else {
+			return nil, "", nil, err
+		}
 	}
 
 	_, err = buildResponse(tokenResponse, nil, &accessToken)
@@ -436,9 +440,14 @@ func getAccessTokenForDpopPrivateKey(tokenRequest *http.Request, httpClient *htt
 	if err != nil {
 		return nil, "", nil, err
 	}
-	if tokenResponse.StatusCode >= 400 && strings.Contains(string(respBody), "use_dpop_nonce") {
-		newNonce := tokenResponse.Header.Get("Dpop-Nonce")
-		return getAccessTokenForDpopPrivateKey(tokenRequest, httpClient, orgURL, newNonce, maxRetries, maxBackoff)
+
+	if tokenResponse.StatusCode >= 300 {
+		if strings.Contains(string(respBody), "use_dpop_nonce")  {
+			newNonce := tokenResponse.Header.Get("Dpop-Nonce")
+			return getAccessTokenForDpopPrivateKey(tokenRequest, httpClient, orgURL, newNonce, maxRetries, maxBackoff)
+		} else {
+			return nil, "", nil, err
+		}
 	}
 	origResp := io.NopCloser(bytes.NewBuffer(respBody))
 	tokenResponse.Body = origResp
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d09ac54..8dfab6ad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Changelog
 Running changelog of releases since `2.0.0-rc.4`
 
+## v4.1.0
+ - Add support for dpop (#454) Thanks [@duytiennguyen-okta]
+ - Fix object that does not have additional properties (#456) Thanks [@duytiennguyen-okta]
+ - Fix header accept issue that only accept application/json (#457) Thanks [@duytiennguyen-okta]
+
 ## v4.0.0
- - Release v4 version of the sdk base on openapi spec v3 (#427) Thanks [@duytiennguyen-okta]
+ - Release v4 version of the sdk base on openapi spec v3 (#4) Thanks [@duytiennguyen-okta]
 
 ## v2.19.0
  - Upgrade dependency (#378) Thanks [@duytiennguyen-okta]