diff --git a/BlinkID/package.json b/BlinkID/package.json
index 8852571..7bd7f28 100644
--- a/BlinkID/package.json
+++ b/BlinkID/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blinkid-cordova",
-  "version": "5.6.0",
+  "version": "5.6.1",
   "description": "A small and powerful ID card scanning library",
   "cordova": {
     "id": "blinkid-cordova",
diff --git a/BlinkID/plugin.xml b/BlinkID/plugin.xml
index 1197a38..232290d 100644
--- a/BlinkID/plugin.xml
+++ b/BlinkID/plugin.xml
@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="blinkid-cordova" 
-        version="5.6.0">
+        version="5.6.1">
 
     <name>BlinkIdScanner</name>
     <description>A small and powerful ID card scanning library</description>
diff --git a/BlinkID/src/ios/sources/MBBlinkIDSerializationUtils.m b/BlinkID/src/ios/sources/MBBlinkIDSerializationUtils.m
index 7ca2519..d519820 100644
--- a/BlinkID/src/ios/sources/MBBlinkIDSerializationUtils.m
+++ b/BlinkID/src/ios/sources/MBBlinkIDSerializationUtils.m
@@ -103,7 +103,7 @@ +(NSDictionary *) serializeVizResult:(MBVizResult *)vizResult {
 
 +(NSDictionary *) serializeBarcodeResult:(MBBarcodeResult *)barcodeResult {
     return @{
-        @"rawData" : barcodeResult.rawData,
+        @"rawData" : [barcodeResult.rawData base64EncodedStringWithOptions:0],
         @"stringData" : barcodeResult.stringData,
         @"uncertain" : [NSNumber numberWithBool:barcodeResult.uncertain],
         @"barcodeType" : [NSNumber numberWithInteger:(barcodeResult.barcodeType + 1)],
diff --git a/Release notes.md b/Release notes.md
index 2309de6..093b9c1 100644
--- a/Release notes.md	
+++ b/Release notes.md	
@@ -1,3 +1,6 @@
+## 5.6.1
+- Fixed `MBBarcodeResult rawData` serialization which caused crashes on iOS.
+
 ## 5.6.0
 - Updated to [Android SDK v5.6.0](https://github.com/BlinkID/blinkid-android/releases/tag/v5.6.0) and [iOS SDK v5.6.0](https://github.com/BlinkID/blinkid-ios/releases/tag/v5.6.0)