diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96913da..9b407b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,3 +33,7 @@ Fiz iOS parallels requests.
 ## 2.0.2
 
 Fix error Platform import
+
+## 2.0.3
+
+Error on pass null to headers
\ No newline at end of file
diff --git a/README.md b/README.md
index a61cee9..1c719e0 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ In your flutter or dart project add the dependency:
 ```yml
 dependencies:
   ...
-  http_certificate_pinning: 2.0.2
+  http_certificate_pinning: 2.0.3
 ```
 
 ## Get Certificate FingerPrint
diff --git a/lib/src/http_certificate_pinning.dart b/lib/src/http_certificate_pinning.dart
index db3db83..ae5a98c 100644
--- a/lib/src/http_certificate_pinning.dart
+++ b/lib/src/http_certificate_pinning.dart
@@ -26,7 +26,7 @@ class HttpCertificatePinning {
   }) async {
     final Map<String, dynamic> params = <String, dynamic>{
       "url": serverURL,
-      "headers": headerHttp,
+      "headers": headerHttp ?? {},
       "type": sha.toString().split(".").last,
       "fingerprints":
           allowedSHAFingerprints.map((a) => a.replaceAll(":", "")).toList(),
diff --git a/pubspec.yaml b/pubspec.yaml
index 830a949..895c280 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: http_certificate_pinning
 description: Https Certificate pinning for Flutter
-version: 2.0.2
+version: 2.0.3
 author: Diefferson Santos <diefferson.sts@gmail.com>
 homepage: https://github.com/diefferson/http_certificate_pinning